Home / 10,626.78-15,947.43-3,701.28

Finding the Fourth Proportional to 10,626.78, 15,947.43 and 3,701.28

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Solution

The fourth proportional to 10,626.78, 15,947.43 and 3,701.28 is: 5,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.78 : 15,947.43 = 3,701.28 : x
  2. Step 2: Convert to fraction form
    10,626.78/15,947.43 = 3,701.28/x
  3. Step 3: Cross multiply
    10,626.78x = 15,947.43 × 3,701.28
  4. Step 4: Simplify right side
    10,626.78x = 59,025,903.71
  5. Step 5: Solve for x
    x = 59,025,903.71/10,626.78
  6. Step 6: Final answer
    x = 5,554.45

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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.