Home / 9,246.32-12,760.80-5,055.20

Finding the Fourth Proportional to 9,246.32, 12,760.80 and 5,055.20

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Solution

The fourth proportional to 9,246.32, 12,760.80 and 5,055.20 is: 6,976.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,246.32 : 12,760.80 = 5,055.20 : x
  2. Step 2: Convert to fraction form
    9,246.32/12,760.80 = 5,055.20/x
  3. Step 3: Cross multiply
    9,246.32x = 12,760.80 × 5,055.20
  4. Step 4: Simplify right side
    9,246.32x = 64,508,396.16
  5. Step 5: Solve for x
    x = 64,508,396.16/9,246.32
  6. Step 6: Final answer
    x = 6,976.66

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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.