Home / 12,397.89-18,573.38-9,610.91

Finding the Fourth Proportional to 12,397.89, 18,573.38 and 9,610.91

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Solution

The fourth proportional to 12,397.89, 18,573.38 and 9,610.91 is: 14,398.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.89 : 18,573.38 = 9,610.91 : x
  2. Step 2: Convert to fraction form
    12,397.89/18,573.38 = 9,610.91/x
  3. Step 3: Cross multiply
    12,397.89x = 18,573.38 × 9,610.91
  4. Step 4: Simplify right side
    12,397.89x = 178,507,014.74
  5. Step 5: Solve for x
    x = 178,507,014.74/12,397.89
  6. Step 6: Final answer
    x = 14,398.18

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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.