Home / 11,214.87-15,476.45-6,178.98

Finding the Fourth Proportional to 11,214.87, 15,476.45 and 6,178.98

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Solution

The fourth proportional to 11,214.87, 15,476.45 and 6,178.98 is: 8,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.87 : 15,476.45 = 6,178.98 : x
  2. Step 2: Convert to fraction form
    11,214.87/15,476.45 = 6,178.98/x
  3. Step 3: Cross multiply
    11,214.87x = 15,476.45 × 6,178.98
  4. Step 4: Simplify right side
    11,214.87x = 95,628,644.13
  5. Step 5: Solve for x
    x = 95,628,644.13/11,214.87
  6. Step 6: Final answer
    x = 8,526.95

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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.