Home / 9,895.38-13,655.52-5,419.14

Finding the Fourth Proportional to 9,895.38, 13,655.52 and 5,419.14

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Solution

The fourth proportional to 9,895.38, 13,655.52 and 5,419.14 is: 7,478.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.38 : 13,655.52 = 5,419.14 : x
  2. Step 2: Convert to fraction form
    9,895.38/13,655.52 = 5,419.14/x
  3. Step 3: Cross multiply
    9,895.38x = 13,655.52 × 5,419.14
  4. Step 4: Simplify right side
    9,895.38x = 74,001,174.65
  5. Step 5: Solve for x
    x = 74,001,174.65/9,895.38
  6. Step 6: Final answer
    x = 7,478.36

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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.