Home / 8,448.43-11,657.81-4,671.08

Finding the Fourth Proportional to 8,448.43, 11,657.81 and 4,671.08

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Solution

The fourth proportional to 8,448.43, 11,657.81 and 4,671.08 is: 6,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.43 : 11,657.81 = 4,671.08 : x
  2. Step 2: Convert to fraction form
    8,448.43/11,657.81 = 4,671.08/x
  3. Step 3: Cross multiply
    8,448.43x = 11,657.81 × 4,671.08
  4. Step 4: Simplify right side
    8,448.43x = 54,454,603.96
  5. Step 5: Solve for x
    x = 54,454,603.96/8,448.43
  6. Step 6: Final answer
    x = 6,445.53

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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.