Home / 10,234.12-15,352.80-6,077.20

Finding the Fourth Proportional to 10,234.12, 15,352.80 and 6,077.20

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Solution

The fourth proportional to 10,234.12, 15,352.80 and 6,077.20 is: 9,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.12 : 15,352.80 = 6,077.20 : x
  2. Step 2: Convert to fraction form
    10,234.12/15,352.80 = 6,077.20/x
  3. Step 3: Cross multiply
    10,234.12x = 15,352.80 × 6,077.20
  4. Step 4: Simplify right side
    10,234.12x = 93,302,036.16
  5. Step 5: Solve for x
    x = 93,302,036.16/10,234.12
  6. Step 6: Final answer
    x = 9,116.76

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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.