Home / 9,363.45-12,921.37-5,114.35

Finding the Fourth Proportional to 9,363.45, 12,921.37 and 5,114.35

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Solution

The fourth proportional to 9,363.45, 12,921.37 and 5,114.35 is: 7,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363.45 : 12,921.37 = 5,114.35 : x
  2. Step 2: Convert to fraction form
    9,363.45/12,921.37 = 5,114.35/x
  3. Step 3: Cross multiply
    9,363.45x = 12,921.37 × 5,114.35
  4. Step 4: Simplify right side
    9,363.45x = 66,084,408.66
  5. Step 5: Solve for x
    x = 66,084,408.66/9,363.45
  6. Step 6: Final answer
    x = 7,057.70

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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.