Home / 7,801.24-10,758.64-6,671.15

Finding the Fourth Proportional to 7,801.24, 10,758.64 and 6,671.15

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Solution

The fourth proportional to 7,801.24, 10,758.64 and 6,671.15 is: 9,200.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.24 : 10,758.64 = 6,671.15 : x
  2. Step 2: Convert to fraction form
    7,801.24/10,758.64 = 6,671.15/x
  3. Step 3: Cross multiply
    7,801.24x = 10,758.64 × 6,671.15
  4. Step 4: Simplify right side
    7,801.24x = 71,772,471.69
  5. Step 5: Solve for x
    x = 71,772,471.69/7,801.24
  6. Step 6: Final answer
    x = 9,200.14

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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.