Home / 9,360.50-12,917.58-5,169.02

Finding the Fourth Proportional to 9,360.50, 12,917.58 and 5,169.02

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Solution

The fourth proportional to 9,360.50, 12,917.58 and 5,169.02 is: 7,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.50 : 12,917.58 = 5,169.02 : x
  2. Step 2: Convert to fraction form
    9,360.50/12,917.58 = 5,169.02/x
  3. Step 3: Cross multiply
    9,360.50x = 12,917.58 × 5,169.02
  4. Step 4: Simplify right side
    9,360.50x = 66,771,229.37
  5. Step 5: Solve for x
    x = 66,771,229.37/9,360.50
  6. Step 6: Final answer
    x = 7,133.30

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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.