Home / 11,079.60-15,282.48-7,094.40

Finding the Fourth Proportional to 11,079.60, 15,282.48 and 7,094.40

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Solution

The fourth proportional to 11,079.60, 15,282.48 and 7,094.40 is: 9,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.60 : 15,282.48 = 7,094.40 : x
  2. Step 2: Convert to fraction form
    11,079.60/15,282.48 = 7,094.40/x
  3. Step 3: Cross multiply
    11,079.60x = 15,282.48 × 7,094.40
  4. Step 4: Simplify right side
    11,079.60x = 108,420,026.11
  5. Step 5: Solve for x
    x = 108,420,026.11/11,079.60
  6. Step 6: Final answer
    x = 9,785.55

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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.