Home / 11,114.16-15,337.36-6,078.32

Finding the Fourth Proportional to 11,114.16, 15,337.36 and 6,078.32

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Solution

The fourth proportional to 11,114.16, 15,337.36 and 6,078.32 is: 8,387.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.16 : 15,337.36 = 6,078.32 : x
  2. Step 2: Convert to fraction form
    11,114.16/15,337.36 = 6,078.32/x
  3. Step 3: Cross multiply
    11,114.16x = 15,337.36 × 6,078.32
  4. Step 4: Simplify right side
    11,114.16x = 93,225,382.04
  5. Step 5: Solve for x
    x = 93,225,382.04/11,114.16
  6. Step 6: Final answer
    x = 8,387.98

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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.