Home / 11,479.19-15,826.05-7,493.38

Finding the Fourth Proportional to 11,479.19, 15,826.05 and 7,493.38

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Solution

The fourth proportional to 11,479.19, 15,826.05 and 7,493.38 is: 10,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.19 : 15,826.05 = 7,493.38 : x
  2. Step 2: Convert to fraction form
    11,479.19/15,826.05 = 7,493.38/x
  3. Step 3: Cross multiply
    11,479.19x = 15,826.05 × 7,493.38
  4. Step 4: Simplify right side
    11,479.19x = 118,590,566.98
  5. Step 5: Solve for x
    x = 118,590,566.98/11,479.19
  6. Step 6: Final answer
    x = 10,330.92

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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.