Home / 7,382.24-10,186.56-4,398.40

Finding the Fourth Proportional to 7,382.24, 10,186.56 and 4,398.40

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Solution

The fourth proportional to 7,382.24, 10,186.56 and 4,398.40 is: 6,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.24 : 10,186.56 = 4,398.40 : x
  2. Step 2: Convert to fraction form
    7,382.24/10,186.56 = 4,398.40/x
  3. Step 3: Cross multiply
    7,382.24x = 10,186.56 × 4,398.40
  4. Step 4: Simplify right side
    7,382.24x = 44,804,578.24
  5. Step 5: Solve for x
    x = 44,804,578.24/7,382.24
  6. Step 6: Final answer
    x = 6,069.24

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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.