Home / 12,713.15-17,535.34-8,727.35

Finding the Fourth Proportional to 12,713.15, 17,535.34 and 8,727.35

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Solution

The fourth proportional to 12,713.15, 17,535.34 and 8,727.35 is: 12,037.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713.15 : 17,535.34 = 8,727.35 : x
  2. Step 2: Convert to fraction form
    12,713.15/17,535.34 = 8,727.35/x
  3. Step 3: Cross multiply
    12,713.15x = 17,535.34 × 8,727.35
  4. Step 4: Simplify right side
    12,713.15x = 153,036,923.69
  5. Step 5: Solve for x
    x = 153,036,923.69/12,713.15
  6. Step 6: Final answer
    x = 12,037.68

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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.