Home / 11,007.28-15,186.36-6,532.42

Finding the Fourth Proportional to 11,007.28, 15,186.36 and 6,532.42

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Solution

The fourth proportional to 11,007.28, 15,186.36 and 6,532.42 is: 9,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.28 : 15,186.36 = 6,532.42 : x
  2. Step 2: Convert to fraction form
    11,007.28/15,186.36 = 6,532.42/x
  3. Step 3: Cross multiply
    11,007.28x = 15,186.36 × 6,532.42
  4. Step 4: Simplify right side
    11,007.28x = 99,203,681.79
  5. Step 5: Solve for x
    x = 99,203,681.79/11,007.28
  6. Step 6: Final answer
    x = 9,012.55

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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.