Home / 9,803.20-13,528.50-5,326.96

Finding the Fourth Proportional to 9,803.20, 13,528.50 and 5,326.96

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Solution

The fourth proportional to 9,803.20, 13,528.50 and 5,326.96 is: 7,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,803.20 : 13,528.50 = 5,326.96 : x
  2. Step 2: Convert to fraction form
    9,803.20/13,528.50 = 5,326.96/x
  3. Step 3: Cross multiply
    9,803.20x = 13,528.50 × 5,326.96
  4. Step 4: Simplify right side
    9,803.20x = 72,065,778.36
  5. Step 5: Solve for x
    x = 72,065,778.36/9,803.20
  6. Step 6: Final answer
    x = 7,351.25

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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.