Home / 9,042.40-13,578.65-6,099.79

Finding the Fourth Proportional to 9,042.40, 13,578.65 and 6,099.79

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Solution

The fourth proportional to 9,042.40, 13,578.65 and 6,099.79 is: 9,159.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042.40 : 13,578.65 = 6,099.79 : x
  2. Step 2: Convert to fraction form
    9,042.40/13,578.65 = 6,099.79/x
  3. Step 3: Cross multiply
    9,042.40x = 13,578.65 × 6,099.79
  4. Step 4: Simplify right side
    9,042.40x = 82,826,913.48
  5. Step 5: Solve for x
    x = 82,826,913.48/9,042.40
  6. Step 6: Final answer
    x = 9,159.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.