Home / 10,393.30-14,340.80-5,916.78

Finding the Fourth Proportional to 10,393.30, 14,340.80 and 5,916.78

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Solution

The fourth proportional to 10,393.30, 14,340.80 and 5,916.78 is: 8,164.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.30 : 14,340.80 = 5,916.78 : x
  2. Step 2: Convert to fraction form
    10,393.30/14,340.80 = 5,916.78/x
  3. Step 3: Cross multiply
    10,393.30x = 14,340.80 × 5,916.78
  4. Step 4: Simplify right side
    10,393.30x = 84,851,358.62
  5. Step 5: Solve for x
    x = 84,851,358.62/10,393.30
  6. Step 6: Final answer
    x = 8,164.04

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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.