Home / 7,716.52-10,648.38-4,487.32

Finding the Fourth Proportional to 7,716.52, 10,648.38 and 4,487.32

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Solution

The fourth proportional to 7,716.52, 10,648.38 and 4,487.32 is: 6,192.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.52 : 10,648.38 = 4,487.32 : x
  2. Step 2: Convert to fraction form
    7,716.52/10,648.38 = 4,487.32/x
  3. Step 3: Cross multiply
    7,716.52x = 10,648.38 × 4,487.32
  4. Step 4: Simplify right side
    7,716.52x = 47,782,688.54
  5. Step 5: Solve for x
    x = 47,782,688.54/7,716.52
  6. Step 6: Final answer
    x = 6,192.26

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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.