Home / 8,129.16-11,218.05-4,592.30

Finding the Fourth Proportional to 8,129.16, 11,218.05 and 4,592.30

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Solution

The fourth proportional to 8,129.16, 11,218.05 and 4,592.30 is: 6,337.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129.16 : 11,218.05 = 4,592.30 : x
  2. Step 2: Convert to fraction form
    8,129.16/11,218.05 = 4,592.30/x
  3. Step 3: Cross multiply
    8,129.16x = 11,218.05 × 4,592.30
  4. Step 4: Simplify right side
    8,129.16x = 51,516,594.92
  5. Step 5: Solve for x
    x = 51,516,594.92/8,129.16
  6. Step 6: Final answer
    x = 6,337.26

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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.