Home / 11,292.11-15,585.70-7,515.44

Finding the Fourth Proportional to 11,292.11, 15,585.70 and 7,515.44

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Solution

The fourth proportional to 11,292.11, 15,585.70 and 7,515.44 is: 10,373.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.11 : 15,585.70 = 7,515.44 : x
  2. Step 2: Convert to fraction form
    11,292.11/15,585.70 = 7,515.44/x
  3. Step 3: Cross multiply
    11,292.11x = 15,585.70 × 7,515.44
  4. Step 4: Simplify right side
    11,292.11x = 117,133,315.28
  5. Step 5: Solve for x
    x = 117,133,315.28/11,292.11
  6. Step 6: Final answer
    x = 10,373.02

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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.