Home / 8,167.42-11,271.36-4,631.32

Finding the Fourth Proportional to 8,167.42, 11,271.36 and 4,631.32

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Solution

The fourth proportional to 8,167.42, 11,271.36 and 4,631.32 is: 6,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.42 : 11,271.36 = 4,631.32 : x
  2. Step 2: Convert to fraction form
    8,167.42/11,271.36 = 4,631.32/x
  3. Step 3: Cross multiply
    8,167.42x = 11,271.36 × 4,631.32
  4. Step 4: Simplify right side
    8,167.42x = 52,201,275.00
  5. Step 5: Solve for x
    x = 52,201,275.00/8,167.42
  6. Step 6: Final answer
    x = 6,391.40

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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.