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Finding the Fourth Proportional to 10,916.97, 15,064.97 and 6,201.69

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Solution

The fourth proportional to 10,916.97, 15,064.97 and 6,201.69 is: 8,558.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.97 : 15,064.97 = 6,201.69 : x
  2. Step 2: Convert to fraction form
    10,916.97/15,064.97 = 6,201.69/x
  3. Step 3: Cross multiply
    10,916.97x = 15,064.97 × 6,201.69
  4. Step 4: Simplify right side
    10,916.97x = 93,428,242.79
  5. Step 5: Solve for x
    x = 93,428,242.79/10,916.97
  6. Step 6: Final answer
    x = 8,558.07

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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.