Home / 10,130.50-15,194.98-3,557.13

Finding the Fourth Proportional to 10,130.50, 15,194.98 and 3,557.13

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Solution

The fourth proportional to 10,130.50, 15,194.98 and 3,557.13 is: 5,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.50 : 15,194.98 = 3,557.13 : x
  2. Step 2: Convert to fraction form
    10,130.50/15,194.98 = 3,557.13/x
  3. Step 3: Cross multiply
    10,130.50x = 15,194.98 × 3,557.13
  4. Step 4: Simplify right side
    10,130.50x = 54,050,519.21
  5. Step 5: Solve for x
    x = 54,050,519.21/10,130.50
  6. Step 6: Final answer
    x = 5,335.42

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Double scale
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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.