Home / 9,397.36-12,965.44-5,417.96

Finding the Fourth Proportional to 9,397.36, 12,965.44 and 5,417.96

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Solution

The fourth proportional to 9,397.36, 12,965.44 and 5,417.96 is: 7,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397.36 : 12,965.44 = 5,417.96 : x
  2. Step 2: Convert to fraction form
    9,397.36/12,965.44 = 5,417.96/x
  3. Step 3: Cross multiply
    9,397.36x = 12,965.44 × 5,417.96
  4. Step 4: Simplify right side
    9,397.36x = 70,246,235.30
  5. Step 5: Solve for x
    x = 70,246,235.30/9,397.36
  6. Step 6: Final answer
    x = 7,475.10

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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.