Home / 9,529.85-13,149.95-5,280.39

Finding the Fourth Proportional to 9,529.85, 13,149.95 and 5,280.39

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Solution

The fourth proportional to 9,529.85, 13,149.95 and 5,280.39 is: 7,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,529.85 : 13,149.95 = 5,280.39 : x
  2. Step 2: Convert to fraction form
    9,529.85/13,149.95 = 5,280.39/x
  3. Step 3: Cross multiply
    9,529.85x = 13,149.95 × 5,280.39
  4. Step 4: Simplify right side
    9,529.85x = 69,436,838.08
  5. Step 5: Solve for x
    x = 69,436,838.08/9,529.85
  6. Step 6: Final answer
    x = 7,286.24

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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.