Home / 7,649.18-10,555.92-4,292.14

Finding the Fourth Proportional to 7,649.18, 10,555.92 and 4,292.14

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Solution

The fourth proportional to 7,649.18, 10,555.92 and 4,292.14 is: 5,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.18 : 10,555.92 = 4,292.14 : x
  2. Step 2: Convert to fraction form
    7,649.18/10,555.92 = 4,292.14/x
  3. Step 3: Cross multiply
    7,649.18x = 10,555.92 × 4,292.14
  4. Step 4: Simplify right side
    7,649.18x = 45,307,479.87
  5. Step 5: Solve for x
    x = 45,307,479.87/7,649.18
  6. Step 6: Final answer
    x = 5,923.18

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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.