Home / 10,081.02-15,115.96-4,817.35

Finding the Fourth Proportional to 10,081.02, 15,115.96 and 4,817.35

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Solution

The fourth proportional to 10,081.02, 15,115.96 and 4,817.35 is: 7,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.02 : 15,115.96 = 4,817.35 : x
  2. Step 2: Convert to fraction form
    10,081.02/15,115.96 = 4,817.35/x
  3. Step 3: Cross multiply
    10,081.02x = 15,115.96 × 4,817.35
  4. Step 4: Simplify right side
    10,081.02x = 72,818,869.91
  5. Step 5: Solve for x
    x = 72,818,869.91/10,081.02
  6. Step 6: Final answer
    x = 7,223.36

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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.