Home / 9,799.80-13,523.50-5,323.45

Finding the Fourth Proportional to 9,799.80, 13,523.50 and 5,323.45

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Solution

The fourth proportional to 9,799.80, 13,523.50 and 5,323.45 is: 7,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,799.80 : 13,523.50 = 5,323.45 : x
  2. Step 2: Convert to fraction form
    9,799.80/13,523.50 = 5,323.45/x
  3. Step 3: Cross multiply
    9,799.80x = 13,523.50 × 5,323.45
  4. Step 4: Simplify right side
    9,799.80x = 71,991,649.46
  5. Step 5: Solve for x
    x = 71,991,649.46/9,799.80
  6. Step 6: Final answer
    x = 7,346.24

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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.