Home / 11,176.11-15,423.75-7,392.74

Finding the Fourth Proportional to 11,176.11, 15,423.75 and 7,392.74

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Solution

The fourth proportional to 11,176.11, 15,423.75 and 7,392.74 is: 10,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.11 : 15,423.75 = 7,392.74 : x
  2. Step 2: Convert to fraction form
    11,176.11/15,423.75 = 7,392.74/x
  3. Step 3: Cross multiply
    11,176.11x = 15,423.75 × 7,392.74
  4. Step 4: Simplify right side
    11,176.11x = 114,023,696.46
  5. Step 5: Solve for x
    x = 114,023,696.46/11,176.11
  6. Step 6: Final answer
    x = 10,202.45

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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.