Home / 10,080.93-15,123.02-4,239.21

Finding the Fourth Proportional to 10,080.93, 15,123.02 and 4,239.21

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Solution

The fourth proportional to 10,080.93, 15,123.02 and 4,239.21 is: 6,359.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.93 : 15,123.02 = 4,239.21 : x
  2. Step 2: Convert to fraction form
    10,080.93/15,123.02 = 4,239.21/x
  3. Step 3: Cross multiply
    10,080.93x = 15,123.02 × 4,239.21
  4. Step 4: Simplify right side
    10,080.93x = 64,109,636.42
  5. Step 5: Solve for x
    x = 64,109,636.42/10,080.93
  6. Step 6: Final answer
    x = 6,359.50

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Half scale
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Double scale
Find fourth proportional to 10,081.93, 15,124.52 and 4,240.21
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.