Home / 13,061.70-19,565.43-6,378.02

Finding the Fourth Proportional to 13,061.70, 19,565.43 and 6,378.02

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Solution

The fourth proportional to 13,061.70, 19,565.43 and 6,378.02 is: 9,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061.70 : 19,565.43 = 6,378.02 : x
  2. Step 2: Convert to fraction form
    13,061.70/19,565.43 = 6,378.02/x
  3. Step 3: Cross multiply
    13,061.70x = 19,565.43 × 6,378.02
  4. Step 4: Simplify right side
    13,061.70x = 124,788,752.76
  5. Step 5: Solve for x
    x = 124,788,752.76/13,061.70
  6. Step 6: Final answer
    x = 9,553.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.