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Finding the Fourth Proportional to 10,717.93, 14,774.97 and 7,521.13

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Solution

The fourth proportional to 10,717.93, 14,774.97 and 7,521.13 is: 10,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.93 : 14,774.97 = 7,521.13 : x
  2. Step 2: Convert to fraction form
    10,717.93/14,774.97 = 7,521.13/x
  3. Step 3: Cross multiply
    10,717.93x = 14,774.97 × 7,521.13
  4. Step 4: Simplify right side
    10,717.93x = 111,124,470.12
  5. Step 5: Solve for x
    x = 111,124,470.12/10,717.93
  6. Step 6: Final answer
    x = 10,368.09

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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.