Home / 10,376.55-15,561.51-3,355.08

Finding the Fourth Proportional to 10,376.55, 15,561.51 and 3,355.08

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Solution

The fourth proportional to 10,376.55, 15,561.51 and 3,355.08 is: 5,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.55 : 15,561.51 = 3,355.08 : x
  2. Step 2: Convert to fraction form
    10,376.55/15,561.51 = 3,355.08/x
  3. Step 3: Cross multiply
    10,376.55x = 15,561.51 × 3,355.08
  4. Step 4: Simplify right side
    10,376.55x = 52,210,110.97
  5. Step 5: Solve for x
    x = 52,210,110.97/10,376.55
  6. Step 6: Final answer
    x = 5,031.55

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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.