Home / 9,561.12-13,193.28-5,369.28

Finding the Fourth Proportional to 9,561.12, 13,193.28 and 5,369.28

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Solution

The fourth proportional to 9,561.12, 13,193.28 and 5,369.28 is: 7,409.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,561.12 : 13,193.28 = 5,369.28 : x
  2. Step 2: Convert to fraction form
    9,561.12/13,193.28 = 5,369.28/x
  3. Step 3: Cross multiply
    9,561.12x = 13,193.28 × 5,369.28
  4. Step 4: Simplify right side
    9,561.12x = 70,838,414.44
  5. Step 5: Solve for x
    x = 70,838,414.44/9,561.12
  6. Step 6: Final answer
    x = 7,409.01

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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.