Home / 10,077.12-15,116.02-3,503.36

Finding the Fourth Proportional to 10,077.12, 15,116.02 and 3,503.36

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Solution

The fourth proportional to 10,077.12, 15,116.02 and 3,503.36 is: 5,255.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.12 : 15,116.02 = 3,503.36 : x
  2. Step 2: Convert to fraction form
    10,077.12/15,116.02 = 3,503.36/x
  3. Step 3: Cross multiply
    10,077.12x = 15,116.02 × 3,503.36
  4. Step 4: Simplify right side
    10,077.12x = 52,956,888.86
  5. Step 5: Solve for x
    x = 52,956,888.86/10,077.12
  6. Step 6: Final answer
    x = 5,255.16

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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.