Home / 48,663.12-72,994.56-11,727.12

Finding the Fourth Proportional to 48,663.12, 72,994.56 and 11,727.12

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Solution

The fourth proportional to 48,663.12, 72,994.56 and 11,727.12 is: 17,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,663.12 : 72,994.56 = 11,727.12 : x
  2. Step 2: Convert to fraction form
    48,663.12/72,994.56 = 11,727.12/x
  3. Step 3: Cross multiply
    48,663.12x = 72,994.56 × 11,727.12
  4. Step 4: Simplify right side
    48,663.12x = 856,015,964.47
  5. Step 5: Solve for x
    x = 856,015,964.47/48,663.12
  6. Step 6: Final answer
    x = 17,590.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.