Home / 9,964.22-13,750.60-5,487.91

Finding the Fourth Proportional to 9,964.22, 13,750.60 and 5,487.91

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Solution

The fourth proportional to 9,964.22, 13,750.60 and 5,487.91 is: 7,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.22 : 13,750.60 = 5,487.91 : x
  2. Step 2: Convert to fraction form
    9,964.22/13,750.60 = 5,487.91/x
  3. Step 3: Cross multiply
    9,964.22x = 13,750.60 × 5,487.91
  4. Step 4: Simplify right side
    9,964.22x = 75,462,036.75
  5. Step 5: Solve for x
    x = 75,462,036.75/9,964.22
  6. Step 6: Final answer
    x = 7,573.30

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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.