Home / 10,849.90-14,972.78-6,134.18

Finding the Fourth Proportional to 10,849.90, 14,972.78 and 6,134.18

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Solution

The fourth proportional to 10,849.90, 14,972.78 and 6,134.18 is: 8,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,849.90 : 14,972.78 = 6,134.18 : x
  2. Step 2: Convert to fraction form
    10,849.90/14,972.78 = 6,134.18/x
  3. Step 3: Cross multiply
    10,849.90x = 14,972.78 × 6,134.18
  4. Step 4: Simplify right side
    10,849.90x = 91,845,727.62
  5. Step 5: Solve for x
    x = 91,845,727.62/10,849.90
  6. Step 6: Final answer
    x = 8,465.12

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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.