Home / 9,768.85-13,480.99-5,292.71

Finding the Fourth Proportional to 9,768.85, 13,480.99 and 5,292.71

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Solution

The fourth proportional to 9,768.85, 13,480.99 and 5,292.71 is: 7,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768.85 : 13,480.99 = 5,292.71 : x
  2. Step 2: Convert to fraction form
    9,768.85/13,480.99 = 5,292.71/x
  3. Step 3: Cross multiply
    9,768.85x = 13,480.99 × 5,292.71
  4. Step 4: Simplify right side
    9,768.85x = 71,350,970.58
  5. Step 5: Solve for x
    x = 71,350,970.58/9,768.85
  6. Step 6: Final answer
    x = 7,303.93

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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.