Home / 10,068.90-13,897.07-6,432.62

Finding the Fourth Proportional to 10,068.90, 13,897.07 and 6,432.62

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Solution

The fourth proportional to 10,068.90, 13,897.07 and 6,432.62 is: 8,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.90 : 13,897.07 = 6,432.62 : x
  2. Step 2: Convert to fraction form
    10,068.90/13,897.07 = 6,432.62/x
  3. Step 3: Cross multiply
    10,068.90x = 13,897.07 × 6,432.62
  4. Step 4: Simplify right side
    10,068.90x = 89,394,468.77
  5. Step 5: Solve for x
    x = 89,394,468.77/10,068.90
  6. Step 6: Final answer
    x = 8,878.28

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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.