Home / 8,704.02-12,011.75-5,167.24

Finding the Fourth Proportional to 8,704.02, 12,011.75 and 5,167.24

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Solution

The fourth proportional to 8,704.02, 12,011.75 and 5,167.24 is: 7,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.02 : 12,011.75 = 5,167.24 : x
  2. Step 2: Convert to fraction form
    8,704.02/12,011.75 = 5,167.24/x
  3. Step 3: Cross multiply
    8,704.02x = 12,011.75 × 5,167.24
  4. Step 4: Simplify right side
    8,704.02x = 62,067,595.07
  5. Step 5: Solve for x
    x = 62,067,595.07/8,704.02
  6. Step 6: Final answer
    x = 7,130.91

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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.