Home / 7,496.44-10,345.28-4,139.29

Finding the Fourth Proportional to 7,496.44, 10,345.28 and 4,139.29

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Solution

The fourth proportional to 7,496.44, 10,345.28 and 4,139.29 is: 5,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,496.44 : 10,345.28 = 4,139.29 : x
  2. Step 2: Convert to fraction form
    7,496.44/10,345.28 = 4,139.29/x
  3. Step 3: Cross multiply
    7,496.44x = 10,345.28 × 4,139.29
  4. Step 4: Simplify right side
    7,496.44x = 42,822,114.05
  5. Step 5: Solve for x
    x = 42,822,114.05/7,496.44
  6. Step 6: Final answer
    x = 5,712.33

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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.