Home / 9,148.89-13,727.72-6,342.06

Finding the Fourth Proportional to 9,148.89, 13,727.72 and 6,342.06

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Solution

The fourth proportional to 9,148.89, 13,727.72 and 6,342.06 is: 9,516.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.89 : 13,727.72 = 6,342.06 : x
  2. Step 2: Convert to fraction form
    9,148.89/13,727.72 = 6,342.06/x
  3. Step 3: Cross multiply
    9,148.89x = 13,727.72 × 6,342.06
  4. Step 4: Simplify right side
    9,148.89x = 87,062,023.90
  5. Step 5: Solve for x
    x = 87,062,023.90/9,148.89
  6. Step 6: Final answer
    x = 9,516.13

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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.