Home / 8,612.48-11,883.45-5,632.70

Finding the Fourth Proportional to 8,612.48, 11,883.45 and 5,632.70

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Solution

The fourth proportional to 8,612.48, 11,883.45 and 5,632.70 is: 7,771.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612.48 : 11,883.45 = 5,632.70 : x
  2. Step 2: Convert to fraction form
    8,612.48/11,883.45 = 5,632.70/x
  3. Step 3: Cross multiply
    8,612.48x = 11,883.45 × 5,632.70
  4. Step 4: Simplify right side
    8,612.48x = 66,935,908.82
  5. Step 5: Solve for x
    x = 66,935,908.82/8,612.48
  6. Step 6: Final answer
    x = 7,771.97

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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.