Home / 8,298.35-11,451.45-4,521.47

Finding the Fourth Proportional to 8,298.35, 11,451.45 and 4,521.47

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Solution

The fourth proportional to 8,298.35, 11,451.45 and 4,521.47 is: 6,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.35 : 11,451.45 = 4,521.47 : x
  2. Step 2: Convert to fraction form
    8,298.35/11,451.45 = 4,521.47/x
  3. Step 3: Cross multiply
    8,298.35x = 11,451.45 × 4,521.47
  4. Step 4: Simplify right side
    8,298.35x = 51,777,387.63
  5. Step 5: Solve for x
    x = 51,777,387.63/8,298.35
  6. Step 6: Final answer
    x = 6,239.48

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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.