Home / 10,068.48-13,860-8,734.32

Finding the Fourth Proportional to 10,068.48, 13,860 and 8,734.32

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Solution

The fourth proportional to 10,068.48, 13,860 and 8,734.32 is: 12,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.48 : 13,860 = 8,734.32 : x
  2. Step 2: Convert to fraction form
    10,068.48/13,860 = 8,734.32/x
  3. Step 3: Cross multiply
    10,068.48x = 13,860 × 8,734.32
  4. Step 4: Simplify right side
    10,068.48x = 121,057,675.20
  5. Step 5: Solve for x
    x = 121,057,675.20/10,068.48
  6. Step 6: Final answer
    x = 12,023.43

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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.