Home / 12,701.20-17,527.64-7,112.24

Finding the Fourth Proportional to 12,701.20, 17,527.64 and 7,112.24

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Solution

The fourth proportional to 12,701.20, 17,527.64 and 7,112.24 is: 9,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.20 : 17,527.64 = 7,112.24 : x
  2. Step 2: Convert to fraction form
    12,701.20/17,527.64 = 7,112.24/x
  3. Step 3: Cross multiply
    12,701.20x = 17,527.64 × 7,112.24
  4. Step 4: Simplify right side
    12,701.20x = 124,660,782.31
  5. Step 5: Solve for x
    x = 124,660,782.31/12,701.20
  6. Step 6: Final answer
    x = 9,814.88

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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.