Home / 8,077.17-12,106.38-7,154.58

Finding the Fourth Proportional to 8,077.17, 12,106.38 and 7,154.58

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Solution

The fourth proportional to 8,077.17, 12,106.38 and 7,154.58 is: 10,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.17 : 12,106.38 = 7,154.58 : x
  2. Step 2: Convert to fraction form
    8,077.17/12,106.38 = 7,154.58/x
  3. Step 3: Cross multiply
    8,077.17x = 12,106.38 × 7,154.58
  4. Step 4: Simplify right side
    8,077.17x = 86,616,064.22
  5. Step 5: Solve for x
    x = 86,616,064.22/8,077.17
  6. Step 6: Final answer
    x = 10,723.57

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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.