Home / 8,298.31-11,451.65-4,572.31

Finding the Fourth Proportional to 8,298.31, 11,451.65 and 4,572.31

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Solution

The fourth proportional to 8,298.31, 11,451.65 and 4,572.31 is: 6,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.31 : 11,451.65 = 4,572.31 : x
  2. Step 2: Convert to fraction form
    8,298.31/11,451.65 = 4,572.31/x
  3. Step 3: Cross multiply
    8,298.31x = 11,451.65 × 4,572.31
  4. Step 4: Simplify right side
    8,298.31x = 52,360,436.55
  5. Step 5: Solve for x
    x = 52,360,436.55/8,298.31
  6. Step 6: Final answer
    x = 6,309.77

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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.