Home / 11,131.65-16,679.85-9,041.52

Finding the Fourth Proportional to 11,131.65, 16,679.85 and 9,041.52

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Solution

The fourth proportional to 11,131.65, 16,679.85 and 9,041.52 is: 13,547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.65 : 16,679.85 = 9,041.52 : x
  2. Step 2: Convert to fraction form
    11,131.65/16,679.85 = 9,041.52/x
  3. Step 3: Cross multiply
    11,131.65x = 16,679.85 × 9,041.52
  4. Step 4: Simplify right side
    11,131.65x = 150,811,197.37
  5. Step 5: Solve for x
    x = 150,811,197.37/11,131.65
  6. Step 6: Final answer
    x = 13,547.96

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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.