Home / 9,502.74-13,117.50-6,357.78

Finding the Fourth Proportional to 9,502.74, 13,117.50 and 6,357.78

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Solution

The fourth proportional to 9,502.74, 13,117.50 and 6,357.78 is: 8,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,502.74 : 13,117.50 = 6,357.78 : x
  2. Step 2: Convert to fraction form
    9,502.74/13,117.50 = 6,357.78/x
  3. Step 3: Cross multiply
    9,502.74x = 13,117.50 × 6,357.78
  4. Step 4: Simplify right side
    9,502.74x = 83,398,179.15
  5. Step 5: Solve for x
    x = 83,398,179.15/9,502.74
  6. Step 6: Final answer
    x = 8,776.22

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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.