Home / 9,363.07-12,920.64-5,114.03

Finding the Fourth Proportional to 9,363.07, 12,920.64 and 5,114.03

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Solution

The fourth proportional to 9,363.07, 12,920.64 and 5,114.03 is: 7,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363.07 : 12,920.64 = 5,114.03 : x
  2. Step 2: Convert to fraction form
    9,363.07/12,920.64 = 5,114.03/x
  3. Step 3: Cross multiply
    9,363.07x = 12,920.64 × 5,114.03
  4. Step 4: Simplify right side
    9,363.07x = 66,076,540.58
  5. Step 5: Solve for x
    x = 66,076,540.58/9,363.07
  6. Step 6: Final answer
    x = 7,057.15

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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.