Home / 11,275.11-15,557.50-7,295.68

Finding the Fourth Proportional to 11,275.11, 15,557.50 and 7,295.68

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Solution

The fourth proportional to 11,275.11, 15,557.50 and 7,295.68 is: 10,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.11 : 15,557.50 = 7,295.68 : x
  2. Step 2: Convert to fraction form
    11,275.11/15,557.50 = 7,295.68/x
  3. Step 3: Cross multiply
    11,275.11x = 15,557.50 × 7,295.68
  4. Step 4: Simplify right side
    11,275.11x = 113,502,570.17
  5. Step 5: Solve for x
    x = 113,502,570.17/11,275.11
  6. Step 6: Final answer
    x = 10,066.65

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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.