Home / 8,046.19-11,103.28-4,689.55

Finding the Fourth Proportional to 8,046.19, 11,103.28 and 4,689.55

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Solution

The fourth proportional to 8,046.19, 11,103.28 and 4,689.55 is: 6,471.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,046.19 : 11,103.28 = 4,689.55 : x
  2. Step 2: Convert to fraction form
    8,046.19/11,103.28 = 4,689.55/x
  3. Step 3: Cross multiply
    8,046.19x = 11,103.28 × 4,689.55
  4. Step 4: Simplify right side
    8,046.19x = 52,069,386.72
  5. Step 5: Solve for x
    x = 52,069,386.72/8,046.19
  6. Step 6: Final answer
    x = 6,471.31

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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.