Home / 8,458.83-11,669.28-5,475.63

Finding the Fourth Proportional to 8,458.83, 11,669.28 and 5,475.63

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Solution

The fourth proportional to 8,458.83, 11,669.28 and 5,475.63 is: 7,553.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.83 : 11,669.28 = 5,475.63 : x
  2. Step 2: Convert to fraction form
    8,458.83/11,669.28 = 5,475.63/x
  3. Step 3: Cross multiply
    8,458.83x = 11,669.28 × 5,475.63
  4. Step 4: Simplify right side
    8,458.83x = 63,896,659.65
  5. Step 5: Solve for x
    x = 63,896,659.65/8,458.83
  6. Step 6: Final answer
    x = 7,553.84

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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.