Home / 9,130.05-13,680.72-6,932.07

Finding the Fourth Proportional to 9,130.05, 13,680.72 and 6,932.07

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Solution

The fourth proportional to 9,130.05, 13,680.72 and 6,932.07 is: 10,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.05 : 13,680.72 = 6,932.07 : x
  2. Step 2: Convert to fraction form
    9,130.05/13,680.72 = 6,932.07/x
  3. Step 3: Cross multiply
    9,130.05x = 13,680.72 × 6,932.07
  4. Step 4: Simplify right side
    9,130.05x = 94,835,708.69
  5. Step 5: Solve for x
    x = 94,835,708.69/9,130.05
  6. Step 6: Final answer
    x = 10,387.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.