Home / 7,649.80-10,551.87-5,528.45

Finding the Fourth Proportional to 7,649.80, 10,551.87 and 5,528.45

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Solution

The fourth proportional to 7,649.80, 10,551.87 and 5,528.45 is: 7,625.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.80 : 10,551.87 = 5,528.45 : x
  2. Step 2: Convert to fraction form
    7,649.80/10,551.87 = 5,528.45/x
  3. Step 3: Cross multiply
    7,649.80x = 10,551.87 × 5,528.45
  4. Step 4: Simplify right side
    7,649.80x = 58,335,512.08
  5. Step 5: Solve for x
    x = 58,335,512.08/7,649.80
  6. Step 6: Final answer
    x = 7,625.76

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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.