Home / 8,176.92-11,283.81-4,640.06

Finding the Fourth Proportional to 8,176.92, 11,283.81 and 4,640.06

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Solution

The fourth proportional to 8,176.92, 11,283.81 and 4,640.06 is: 6,403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.92 : 11,283.81 = 4,640.06 : x
  2. Step 2: Convert to fraction form
    8,176.92/11,283.81 = 4,640.06/x
  3. Step 3: Cross multiply
    8,176.92x = 11,283.81 × 4,640.06
  4. Step 4: Simplify right side
    8,176.92x = 52,357,499.01
  5. Step 5: Solve for x
    x = 52,357,499.01/8,176.92
  6. Step 6: Final answer
    x = 6,403.08

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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.