Home / 8,070.38-11,132.48-5,040.23

Finding the Fourth Proportional to 8,070.38, 11,132.48 and 5,040.23

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Solution

The fourth proportional to 8,070.38, 11,132.48 and 5,040.23 is: 6,952.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.38 : 11,132.48 = 5,040.23 : x
  2. Step 2: Convert to fraction form
    8,070.38/11,132.48 = 5,040.23/x
  3. Step 3: Cross multiply
    8,070.38x = 11,132.48 × 5,040.23
  4. Step 4: Simplify right side
    8,070.38x = 56,110,300.10
  5. Step 5: Solve for x
    x = 56,110,300.10/8,070.38
  6. Step 6: Final answer
    x = 6,952.62

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Half 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.