Home / 8,501.08-12,751.60-2,658.12

Finding the Fourth Proportional to 8,501.08, 12,751.60 and 2,658.12

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Solution

The fourth proportional to 8,501.08, 12,751.60 and 2,658.12 is: 3,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.08 : 12,751.60 = 2,658.12 : x
  2. Step 2: Convert to fraction form
    8,501.08/12,751.60 = 2,658.12/x
  3. Step 3: Cross multiply
    8,501.08x = 12,751.60 × 2,658.12
  4. Step 4: Simplify right side
    8,501.08x = 33,895,282.99
  5. Step 5: Solve for x
    x = 33,895,282.99/8,501.08
  6. Step 6: Final answer
    x = 3,987.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.