Home / 9,001.96-12,422.11-5,644.63

Finding the Fourth Proportional to 9,001.96, 12,422.11 and 5,644.63

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Solution

The fourth proportional to 9,001.96, 12,422.11 and 5,644.63 is: 7,789.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.96 : 12,422.11 = 5,644.63 : x
  2. Step 2: Convert to fraction form
    9,001.96/12,422.11 = 5,644.63/x
  3. Step 3: Cross multiply
    9,001.96x = 12,422.11 × 5,644.63
  4. Step 4: Simplify right side
    9,001.96x = 70,118,214.77
  5. Step 5: Solve for x
    x = 70,118,214.77/9,001.96
  6. Step 6: Final answer
    x = 7,789.22

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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.