Home / 8,731.08-12,048.60-4,752.12

Finding the Fourth Proportional to 8,731.08, 12,048.60 and 4,752.12

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Solution

The fourth proportional to 8,731.08, 12,048.60 and 4,752.12 is: 6,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.08 : 12,048.60 = 4,752.12 : x
  2. Step 2: Convert to fraction form
    8,731.08/12,048.60 = 4,752.12/x
  3. Step 3: Cross multiply
    8,731.08x = 12,048.60 × 4,752.12
  4. Step 4: Simplify right side
    8,731.08x = 57,256,393.03
  5. Step 5: Solve for x
    x = 57,256,393.03/8,731.08
  6. Step 6: Final answer
    x = 6,557.77

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1.5x scale

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.