Home / 10,849.36-14,972.23-6,374.55

Finding the Fourth Proportional to 10,849.36, 14,972.23 and 6,374.55

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Solution

The fourth proportional to 10,849.36, 14,972.23 and 6,374.55 is: 8,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,849.36 : 14,972.23 = 6,374.55 : x
  2. Step 2: Convert to fraction form
    10,849.36/14,972.23 = 6,374.55/x
  3. Step 3: Cross multiply
    10,849.36x = 14,972.23 × 6,374.55
  4. Step 4: Simplify right side
    10,849.36x = 95,441,228.75
  5. Step 5: Solve for x
    x = 95,441,228.75/10,849.36
  6. Step 6: Final answer
    x = 8,796.95

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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.