Home / 12,622.58-17,417.64-7,244.74

Finding the Fourth Proportional to 12,622.58, 17,417.64 and 7,244.74

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Solution

The fourth proportional to 12,622.58, 17,417.64 and 7,244.74 is: 9,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.58 : 17,417.64 = 7,244.74 : x
  2. Step 2: Convert to fraction form
    12,622.58/17,417.64 = 7,244.74/x
  3. Step 3: Cross multiply
    12,622.58x = 17,417.64 × 7,244.74
  4. Step 4: Simplify right side
    12,622.58x = 126,186,273.21
  5. Step 5: Solve for x
    x = 126,186,273.21/12,622.58
  6. Step 6: Final answer
    x = 9,996.87

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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.