Home / 11,079.59-15,289.47-6,602.31

Finding the Fourth Proportional to 11,079.59, 15,289.47 and 6,602.31

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Solution

The fourth proportional to 11,079.59, 15,289.47 and 6,602.31 is: 9,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.59 : 15,289.47 = 6,602.31 : x
  2. Step 2: Convert to fraction form
    11,079.59/15,289.47 = 6,602.31/x
  3. Step 3: Cross multiply
    11,079.59x = 15,289.47 × 6,602.31
  4. Step 4: Simplify right side
    11,079.59x = 100,945,820.68
  5. Step 5: Solve for x
    x = 100,945,820.68/11,079.59
  6. Step 6: Final answer
    x = 9,110.97

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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.