Home / 9,387.56-12,949.62-6,030.86

Finding the Fourth Proportional to 9,387.56, 12,949.62 and 6,030.86

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Solution

The fourth proportional to 9,387.56, 12,949.62 and 6,030.86 is: 8,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.56 : 12,949.62 = 6,030.86 : x
  2. Step 2: Convert to fraction form
    9,387.56/12,949.62 = 6,030.86/x
  3. Step 3: Cross multiply
    9,387.56x = 12,949.62 × 6,030.86
  4. Step 4: Simplify right side
    9,387.56x = 78,097,280.53
  5. Step 5: Solve for x
    x = 78,097,280.53/9,387.56
  6. Step 6: Final answer
    x = 8,319.24

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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.