Home / 10,994.13-15,174.54-6,281.15

Finding the Fourth Proportional to 10,994.13, 15,174.54 and 6,281.15

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Solution

The fourth proportional to 10,994.13, 15,174.54 and 6,281.15 is: 8,669.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.13 : 15,174.54 = 6,281.15 : x
  2. Step 2: Convert to fraction form
    10,994.13/15,174.54 = 6,281.15/x
  3. Step 3: Cross multiply
    10,994.13x = 15,174.54 × 6,281.15
  4. Step 4: Simplify right side
    10,994.13x = 95,313,486.05
  5. Step 5: Solve for x
    x = 95,313,486.05/10,994.13
  6. Step 6: Final answer
    x = 8,669.49

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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.