Home / 10,061.30-15,119.28-5,384.76

Finding the Fourth Proportional to 10,061.30, 15,119.28 and 5,384.76

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Solution

The fourth proportional to 10,061.30, 15,119.28 and 5,384.76 is: 8,091.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061.30 : 15,119.28 = 5,384.76 : x
  2. Step 2: Convert to fraction form
    10,061.30/15,119.28 = 5,384.76/x
  3. Step 3: Cross multiply
    10,061.30x = 15,119.28 × 5,384.76
  4. Step 4: Simplify right side
    10,061.30x = 81,413,694.17
  5. Step 5: Solve for x
    x = 81,413,694.17/10,061.30
  6. Step 6: Final answer
    x = 8,091.77

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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.