Home / 11,718.24-16,176.51-7,475.13

Finding the Fourth Proportional to 11,718.24, 16,176.51 and 7,475.13

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Solution

The fourth proportional to 11,718.24, 16,176.51 and 7,475.13 is: 10,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.24 : 16,176.51 = 7,475.13 : x
  2. Step 2: Convert to fraction form
    11,718.24/16,176.51 = 7,475.13/x
  3. Step 3: Cross multiply
    11,718.24x = 16,176.51 × 7,475.13
  4. Step 4: Simplify right side
    11,718.24x = 120,921,515.20
  5. Step 5: Solve for x
    x = 120,921,515.20/11,718.24
  6. Step 6: Final answer
    x = 10,319.09

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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.