Home / 7,464.15-11,196.12-1,917.47

Finding the Fourth Proportional to 7,464.15, 11,196.12 and 1,917.47

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Solution

The fourth proportional to 7,464.15, 11,196.12 and 1,917.47 is: 2,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,464.15 : 11,196.12 = 1,917.47 : x
  2. Step 2: Convert to fraction form
    7,464.15/11,196.12 = 1,917.47/x
  3. Step 3: Cross multiply
    7,464.15x = 11,196.12 × 1,917.47
  4. Step 4: Simplify right side
    7,464.15x = 21,468,259.40
  5. Step 5: Solve for x
    x = 21,468,259.40/7,464.15
  6. Step 6: Final answer
    x = 2,876.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.