Home / 10,626.66-15,944.94-4,780.08

Finding the Fourth Proportional to 10,626.66, 15,944.94 and 4,780.08

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Solution

The fourth proportional to 10,626.66, 15,944.94 and 4,780.08 is: 7,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.66 : 15,944.94 = 4,780.08 : x
  2. Step 2: Convert to fraction form
    10,626.66/15,944.94 = 4,780.08/x
  3. Step 3: Cross multiply
    10,626.66x = 15,944.94 × 4,780.08
  4. Step 4: Simplify right side
    10,626.66x = 76,218,088.80
  5. Step 5: Solve for x
    x = 76,218,088.80/10,626.66
  6. Step 6: Final answer
    x = 7,172.35

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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.