Home / 8,731.15-12,048.61-4,752.28

Finding the Fourth Proportional to 8,731.15, 12,048.61 and 4,752.28

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Solution

The fourth proportional to 8,731.15, 12,048.61 and 4,752.28 is: 6,557.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.15 : 12,048.61 = 4,752.28 : x
  2. Step 2: Convert to fraction form
    8,731.15/12,048.61 = 4,752.28/x
  3. Step 3: Cross multiply
    8,731.15x = 12,048.61 × 4,752.28
  4. Step 4: Simplify right side
    8,731.15x = 57,258,368.33
  5. Step 5: Solve for x
    x = 57,258,368.33/8,731.15
  6. Step 6: Final answer
    x = 6,557.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.