Home / 10,506.28-15,746.10-4,947.52

Finding the Fourth Proportional to 10,506.28, 15,746.10 and 4,947.52

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Solution

The fourth proportional to 10,506.28, 15,746.10 and 4,947.52 is: 7,415.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506.28 : 15,746.10 = 4,947.52 : x
  2. Step 2: Convert to fraction form
    10,506.28/15,746.10 = 4,947.52/x
  3. Step 3: Cross multiply
    10,506.28x = 15,746.10 × 4,947.52
  4. Step 4: Simplify right side
    10,506.28x = 77,904,144.67
  5. Step 5: Solve for x
    x = 77,904,144.67/10,506.28
  6. Step 6: Final answer
    x = 7,415.01

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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.