Home / 10,433.66-15,557.41-9,274.55

Finding the Fourth Proportional to 10,433.66, 15,557.41 and 9,274.55

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Solution

The fourth proportional to 10,433.66, 15,557.41 and 9,274.55 is: 13,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.66 : 15,557.41 = 9,274.55 : x
  2. Step 2: Convert to fraction form
    10,433.66/15,557.41 = 9,274.55/x
  3. Step 3: Cross multiply
    10,433.66x = 15,557.41 × 9,274.55
  4. Step 4: Simplify right side
    10,433.66x = 144,287,976.92
  5. Step 5: Solve for x
    x = 144,287,976.92/10,433.66
  6. Step 6: Final answer
    x = 13,829.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.