Home / 9,540.54-13,170.90-7,411.32

Finding the Fourth Proportional to 9,540.54, 13,170.90 and 7,411.32

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Solution

The fourth proportional to 9,540.54, 13,170.90 and 7,411.32 is: 10,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,540.54 : 13,170.90 = 7,411.32 : x
  2. Step 2: Convert to fraction form
    9,540.54/13,170.90 = 7,411.32/x
  3. Step 3: Cross multiply
    9,540.54x = 13,170.90 × 7,411.32
  4. Step 4: Simplify right side
    9,540.54x = 97,613,754.59
  5. Step 5: Solve for x
    x = 97,613,754.59/9,540.54
  6. Step 6: Final answer
    x = 10,231.47

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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.