Home / 8,767.08-12,101.66-5,230.30

Finding the Fourth Proportional to 8,767.08, 12,101.66 and 5,230.30

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Solution

The fourth proportional to 8,767.08, 12,101.66 and 5,230.30 is: 7,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.08 : 12,101.66 = 5,230.30 : x
  2. Step 2: Convert to fraction form
    8,767.08/12,101.66 = 5,230.30/x
  3. Step 3: Cross multiply
    8,767.08x = 12,101.66 × 5,230.30
  4. Step 4: Simplify right side
    8,767.08x = 63,295,312.30
  5. Step 5: Solve for x
    x = 63,295,312.30/8,767.08
  6. Step 6: Final answer
    x = 7,219.66

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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.