Home / 8,167.79-11,271.21-4,631.24

Finding the Fourth Proportional to 8,167.79, 11,271.21 and 4,631.24

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Solution

The fourth proportional to 8,167.79, 11,271.21 and 4,631.24 is: 6,390.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.79 : 11,271.21 = 4,631.24 : x
  2. Step 2: Convert to fraction form
    8,167.79/11,271.21 = 4,631.24/x
  3. Step 3: Cross multiply
    8,167.79x = 11,271.21 × 4,631.24
  4. Step 4: Simplify right side
    8,167.79x = 52,199,678.60
  5. Step 5: Solve for x
    x = 52,199,678.60/8,167.79
  6. Step 6: Final answer
    x = 6,390.92

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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.