Home / 12,400.36-17,110.70-7,094.18

Finding the Fourth Proportional to 12,400.36, 17,110.70 and 7,094.18

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Solution

The fourth proportional to 12,400.36, 17,110.70 and 7,094.18 is: 9,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.36 : 17,110.70 = 7,094.18 : x
  2. Step 2: Convert to fraction form
    12,400.36/17,110.70 = 7,094.18/x
  3. Step 3: Cross multiply
    12,400.36x = 17,110.70 × 7,094.18
  4. Step 4: Simplify right side
    12,400.36x = 121,386,385.73
  5. Step 5: Solve for x
    x = 121,386,385.73/12,400.36
  6. Step 6: Final answer
    x = 9,788.94

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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.