Home / 10,748.15-14,839.67-8,225.75

Finding the Fourth Proportional to 10,748.15, 14,839.67 and 8,225.75

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Solution

The fourth proportional to 10,748.15, 14,839.67 and 8,225.75 is: 11,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.15 : 14,839.67 = 8,225.75 : x
  2. Step 2: Convert to fraction form
    10,748.15/14,839.67 = 8,225.75/x
  3. Step 3: Cross multiply
    10,748.15x = 14,839.67 × 8,225.75
  4. Step 4: Simplify right side
    10,748.15x = 122,067,415.50
  5. Step 5: Solve for x
    x = 122,067,415.50/10,748.15
  6. Step 6: Final answer
    x = 11,357.07

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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.