Home / 10,967.69-15,120.60-9,472.43

Finding the Fourth Proportional to 10,967.69, 15,120.60 and 9,472.43

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Solution

The fourth proportional to 10,967.69, 15,120.60 and 9,472.43 is: 13,059.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.69 : 15,120.60 = 9,472.43 : x
  2. Step 2: Convert to fraction form
    10,967.69/15,120.60 = 9,472.43/x
  3. Step 3: Cross multiply
    10,967.69x = 15,120.60 × 9,472.43
  4. Step 4: Simplify right side
    10,967.69x = 143,228,825.06
  5. Step 5: Solve for x
    x = 143,228,825.06/10,967.69
  6. Step 6: Final answer
    x = 13,059.16

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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.