Home / 11,079.48-15,289.56-6,043.76

Finding the Fourth Proportional to 11,079.48, 15,289.56 and 6,043.76

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Solution

The fourth proportional to 11,079.48, 15,289.56 and 6,043.76 is: 8,340.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.48 : 15,289.56 = 6,043.76 : x
  2. Step 2: Convert to fraction form
    11,079.48/15,289.56 = 6,043.76/x
  3. Step 3: Cross multiply
    11,079.48x = 15,289.56 × 6,043.76
  4. Step 4: Simplify right side
    11,079.48x = 92,406,431.15
  5. Step 5: Solve for x
    x = 92,406,431.15/11,079.48
  6. Step 6: Final answer
    x = 8,340.32

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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.