Home / 10,376.25-15,566.66-2,980.14

Finding the Fourth Proportional to 10,376.25, 15,566.66 and 2,980.14

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Solution

The fourth proportional to 10,376.25, 15,566.66 and 2,980.14 is: 4,470.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.25 : 15,566.66 = 2,980.14 : x
  2. Step 2: Convert to fraction form
    10,376.25/15,566.66 = 2,980.14/x
  3. Step 3: Cross multiply
    10,376.25x = 15,566.66 × 2,980.14
  4. Step 4: Simplify right side
    10,376.25x = 46,390,826.13
  5. Step 5: Solve for x
    x = 46,390,826.13/10,376.25
  6. Step 6: Final answer
    x = 4,470.87

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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.