Home / 8,442.44-11,646.96-5,458.58

Finding the Fourth Proportional to 8,442.44, 11,646.96 and 5,458.58

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Solution

The fourth proportional to 8,442.44, 11,646.96 and 5,458.58 is: 7,530.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.44 : 11,646.96 = 5,458.58 : x
  2. Step 2: Convert to fraction form
    8,442.44/11,646.96 = 5,458.58/x
  3. Step 3: Cross multiply
    8,442.44x = 11,646.96 × 5,458.58
  4. Step 4: Simplify right side
    8,442.44x = 63,575,862.92
  5. Step 5: Solve for x
    x = 63,575,862.92/8,442.44
  6. Step 6: Final answer
    x = 7,530.51

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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.