Home / 7,645.80-10,552.32-5,528.52

Finding the Fourth Proportional to 7,645.80, 10,552.32 and 5,528.52

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Solution

The fourth proportional to 7,645.80, 10,552.32 and 5,528.52 is: 7,630.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.80 : 10,552.32 = 5,528.52 : x
  2. Step 2: Convert to fraction form
    7,645.80/10,552.32 = 5,528.52/x
  3. Step 3: Cross multiply
    7,645.80x = 10,552.32 × 5,528.52
  4. Step 4: Simplify right side
    7,645.80x = 58,338,712.17
  5. Step 5: Solve for x
    x = 58,338,712.17/7,645.80
  6. Step 6: Final answer
    x = 7,630.16

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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.