Home / 11,178.66-15,424.84-6,462.04

Finding the Fourth Proportional to 11,178.66, 15,424.84 and 6,462.04

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Solution

The fourth proportional to 11,178.66, 15,424.84 and 6,462.04 is: 8,916.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.66 : 15,424.84 = 6,462.04 : x
  2. Step 2: Convert to fraction form
    11,178.66/15,424.84 = 6,462.04/x
  3. Step 3: Cross multiply
    11,178.66x = 15,424.84 × 6,462.04
  4. Step 4: Simplify right side
    11,178.66x = 99,675,933.07
  5. Step 5: Solve for x
    x = 99,675,933.07/11,178.66
  6. Step 6: Final answer
    x = 8,916.63

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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.