Home / 10,068.80-15,103.20-7,116.35

Finding the Fourth Proportional to 10,068.80, 15,103.20 and 7,116.35

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Solution

The fourth proportional to 10,068.80, 15,103.20 and 7,116.35 is: 10,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.80 : 15,103.20 = 7,116.35 : x
  2. Step 2: Convert to fraction form
    10,068.80/15,103.20 = 7,116.35/x
  3. Step 3: Cross multiply
    10,068.80x = 15,103.20 × 7,116.35
  4. Step 4: Simplify right side
    10,068.80x = 107,479,657.32
  5. Step 5: Solve for x
    x = 107,479,657.32/10,068.80
  6. Step 6: Final answer
    x = 10,674.53

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.