Home / 10,237.56-14,119.02-9,200.76

Finding the Fourth Proportional to 10,237.56, 14,119.02 and 9,200.76

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Solution

The fourth proportional to 10,237.56, 14,119.02 and 9,200.76 is: 12,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.56 : 14,119.02 = 9,200.76 : x
  2. Step 2: Convert to fraction form
    10,237.56/14,119.02 = 9,200.76/x
  3. Step 3: Cross multiply
    10,237.56x = 14,119.02 × 9,200.76
  4. Step 4: Simplify right side
    10,237.56x = 129,905,714.46
  5. Step 5: Solve for x
    x = 129,905,714.46/10,237.56
  6. Step 6: Final answer
    x = 12,689.13

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.