Home / 8,921.97-12,313.01-4,943.45

Finding the Fourth Proportional to 8,921.97, 12,313.01 and 4,943.45

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Solution

The fourth proportional to 8,921.97, 12,313.01 and 4,943.45 is: 6,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.97 : 12,313.01 = 4,943.45 : x
  2. Step 2: Convert to fraction form
    8,921.97/12,313.01 = 4,943.45/x
  3. Step 3: Cross multiply
    8,921.97x = 12,313.01 × 4,943.45
  4. Step 4: Simplify right side
    8,921.97x = 60,868,792.43
  5. Step 5: Solve for x
    x = 60,868,792.43/8,921.97
  6. Step 6: Final answer
    x = 6,822.35

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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.