Home / 10,520.47-14,517.90-5,804.75

Finding the Fourth Proportional to 10,520.47, 14,517.90 and 5,804.75

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Solution

The fourth proportional to 10,520.47, 14,517.90 and 5,804.75 is: 8,010.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520.47 : 14,517.90 = 5,804.75 : x
  2. Step 2: Convert to fraction form
    10,520.47/14,517.90 = 5,804.75/x
  3. Step 3: Cross multiply
    10,520.47x = 14,517.90 × 5,804.75
  4. Step 4: Simplify right side
    10,520.47x = 84,272,780.03
  5. Step 5: Solve for x
    x = 84,272,780.03/10,520.47
  6. Step 6: Final answer
    x = 8,010.36

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Half scale
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Double scale
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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.