Home / 9,417.76-12,996.48-5,168.84

Finding the Fourth Proportional to 9,417.76, 12,996.48 and 5,168.84

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Solution

The fourth proportional to 9,417.76, 12,996.48 and 5,168.84 is: 7,132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.76 : 12,996.48 = 5,168.84 : x
  2. Step 2: Convert to fraction form
    9,417.76/12,996.48 = 5,168.84/x
  3. Step 3: Cross multiply
    9,417.76x = 12,996.48 × 5,168.84
  4. Step 4: Simplify right side
    9,417.76x = 67,176,725.68
  5. Step 5: Solve for x
    x = 67,176,725.68/9,417.76
  6. Step 6: Final answer
    x = 7,132.98

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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.