Home / 12,700.19-17,527.25-7,324.36

Finding the Fourth Proportional to 12,700.19, 17,527.25 and 7,324.36

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Solution

The fourth proportional to 12,700.19, 17,527.25 and 7,324.36 is: 10,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700.19 : 17,527.25 = 7,324.36 : x
  2. Step 2: Convert to fraction form
    12,700.19/17,527.25 = 7,324.36/x
  3. Step 3: Cross multiply
    12,700.19x = 17,527.25 × 7,324.36
  4. Step 4: Simplify right side
    12,700.19x = 128,375,888.81
  5. Step 5: Solve for x
    x = 128,375,888.81/12,700.19
  6. Step 6: Final answer
    x = 10,108.19

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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.