Home / 9,360.56-12,917.58-5,169.08

Finding the Fourth Proportional to 9,360.56, 12,917.58 and 5,169.08

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Solution

The fourth proportional to 9,360.56, 12,917.58 and 5,169.08 is: 7,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.56 : 12,917.58 = 5,169.08 : x
  2. Step 2: Convert to fraction form
    9,360.56/12,917.58 = 5,169.08/x
  3. Step 3: Cross multiply
    9,360.56x = 12,917.58 × 5,169.08
  4. Step 4: Simplify right side
    9,360.56x = 66,772,017.34
  5. Step 5: Solve for x
    x = 66,772,017.34/9,360.56
  6. Step 6: Final answer
    x = 7,133.33

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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.