Home / 10,356.88-15,535.04-2,565.76

Finding the Fourth Proportional to 10,356.88, 15,535.04 and 2,565.76

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Solution

The fourth proportional to 10,356.88, 15,535.04 and 2,565.76 is: 3,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.88 : 15,535.04 = 2,565.76 : x
  2. Step 2: Convert to fraction form
    10,356.88/15,535.04 = 2,565.76/x
  3. Step 3: Cross multiply
    10,356.88x = 15,535.04 × 2,565.76
  4. Step 4: Simplify right side
    10,356.88x = 39,859,184.23
  5. Step 5: Solve for x
    x = 39,859,184.23/10,356.88
  6. Step 6: Final answer
    x = 3,848.57

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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.