Home / 8,432.28-11,636.36-4,655.22

Finding the Fourth Proportional to 8,432.28, 11,636.36 and 4,655.22

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Solution

The fourth proportional to 8,432.28, 11,636.36 and 4,655.22 is: 6,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.28 : 11,636.36 = 4,655.22 : x
  2. Step 2: Convert to fraction form
    8,432.28/11,636.36 = 4,655.22/x
  3. Step 3: Cross multiply
    8,432.28x = 11,636.36 × 4,655.22
  4. Step 4: Simplify right side
    8,432.28x = 54,169,815.80
  5. Step 5: Solve for x
    x = 54,169,815.80/8,432.28
  6. Step 6: Final answer
    x = 6,424.10

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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.