Home / 10,081.17-15,123.58-4,154.76

Finding the Fourth Proportional to 10,081.17, 15,123.58 and 4,154.76

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Solution

The fourth proportional to 10,081.17, 15,123.58 and 4,154.76 is: 6,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.17 : 15,123.58 = 4,154.76 : x
  2. Step 2: Convert to fraction form
    10,081.17/15,123.58 = 4,154.76/x
  3. Step 3: Cross multiply
    10,081.17x = 15,123.58 × 4,154.76
  4. Step 4: Simplify right side
    10,081.17x = 62,834,845.24
  5. Step 5: Solve for x
    x = 62,834,845.24/10,081.17
  6. Step 6: Final answer
    x = 6,232.89

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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.