Home / 9,192.96-12,686.31-5,001.21

Finding the Fourth Proportional to 9,192.96, 12,686.31 and 5,001.21

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Solution

The fourth proportional to 9,192.96, 12,686.31 and 5,001.21 is: 6,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.96 : 12,686.31 = 5,001.21 : x
  2. Step 2: Convert to fraction form
    9,192.96/12,686.31 = 5,001.21/x
  3. Step 3: Cross multiply
    9,192.96x = 12,686.31 × 5,001.21
  4. Step 4: Simplify right side
    9,192.96x = 63,446,900.44
  5. Step 5: Solve for x
    x = 63,446,900.44/9,192.96
  6. Step 6: Final answer
    x = 6,901.68

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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.