Home / 11,546.28-15,927.84-7,565.40

Finding the Fourth Proportional to 11,546.28, 15,927.84 and 7,565.40

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Solution

The fourth proportional to 11,546.28, 15,927.84 and 7,565.40 is: 10,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,546.28 : 15,927.84 = 7,565.40 : x
  2. Step 2: Convert to fraction form
    11,546.28/15,927.84 = 7,565.40/x
  3. Step 3: Cross multiply
    11,546.28x = 15,927.84 × 7,565.40
  4. Step 4: Simplify right side
    11,546.28x = 120,500,480.74
  5. Step 5: Solve for x
    x = 120,500,480.74/11,546.28
  6. Step 6: Final answer
    x = 10,436.30

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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.