Home / 10,492.09-14,479.26-5,712.17

Finding the Fourth Proportional to 10,492.09, 14,479.26 and 5,712.17

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Solution

The fourth proportional to 10,492.09, 14,479.26 and 5,712.17 is: 7,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,492.09 : 14,479.26 = 5,712.17 : x
  2. Step 2: Convert to fraction form
    10,492.09/14,479.26 = 5,712.17/x
  3. Step 3: Cross multiply
    10,492.09x = 14,479.26 × 5,712.17
  4. Step 4: Simplify right side
    10,492.09x = 82,707,972.56
  5. Step 5: Solve for x
    x = 82,707,972.56/10,492.09
  6. Step 6: Final answer
    x = 7,882.89

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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.