Home / 10,970.25-15,138.98-5,934.51

Finding the Fourth Proportional to 10,970.25, 15,138.98 and 5,934.51

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Solution

The fourth proportional to 10,970.25, 15,138.98 and 5,934.51 is: 8,189.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,970.25 : 15,138.98 = 5,934.51 : x
  2. Step 2: Convert to fraction form
    10,970.25/15,138.98 = 5,934.51/x
  3. Step 3: Cross multiply
    10,970.25x = 15,138.98 × 5,934.51
  4. Step 4: Simplify right side
    10,970.25x = 89,842,398.53
  5. Step 5: Solve for x
    x = 89,842,398.53/10,970.25
  6. Step 6: Final answer
    x = 8,189.64

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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.