Home / 10,586.06-15,878.48-3,565.78

Finding the Fourth Proportional to 10,586.06, 15,878.48 and 3,565.78

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Solution

The fourth proportional to 10,586.06, 15,878.48 and 3,565.78 is: 5,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586.06 : 15,878.48 = 3,565.78 : x
  2. Step 2: Convert to fraction form
    10,586.06/15,878.48 = 3,565.78/x
  3. Step 3: Cross multiply
    10,586.06x = 15,878.48 × 3,565.78
  4. Step 4: Simplify right side
    10,586.06x = 56,619,166.41
  5. Step 5: Solve for x
    x = 56,619,166.41/10,586.06
  6. Step 6: Final answer
    x = 5,348.46

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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.