Home / 7,422.49-11,124.18-5,559.01

Finding the Fourth Proportional to 7,422.49, 11,124.18 and 5,559.01

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Solution

The fourth proportional to 7,422.49, 11,124.18 and 5,559.01 is: 8,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.49 : 11,124.18 = 5,559.01 : x
  2. Step 2: Convert to fraction form
    7,422.49/11,124.18 = 5,559.01/x
  3. Step 3: Cross multiply
    7,422.49x = 11,124.18 × 5,559.01
  4. Step 4: Simplify right side
    7,422.49x = 61,839,427.86
  5. Step 5: Solve for x
    x = 61,839,427.86/7,422.49
  6. Step 6: Final answer
    x = 8,331.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.