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Finding the Fourth Proportional to 10,710.48, 14,785.12 and 8,058.54

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Solution

The fourth proportional to 10,710.48, 14,785.12 and 8,058.54 is: 11,124.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,710.48 : 14,785.12 = 8,058.54 : x
  2. Step 2: Convert to fraction form
    10,710.48/14,785.12 = 8,058.54/x
  3. Step 3: Cross multiply
    10,710.48x = 14,785.12 × 8,058.54
  4. Step 4: Simplify right side
    10,710.48x = 119,146,480.92
  5. Step 5: Solve for x
    x = 119,146,480.92/10,710.48
  6. Step 6: Final answer
    x = 11,124.29

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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.