Home / 11,919.19-16,448.47-6,541.66

Finding the Fourth Proportional to 11,919.19, 16,448.47 and 6,541.66

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Solution

The fourth proportional to 11,919.19, 16,448.47 and 6,541.66 is: 9,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.19 : 16,448.47 = 6,541.66 : x
  2. Step 2: Convert to fraction form
    11,919.19/16,448.47 = 6,541.66/x
  3. Step 3: Cross multiply
    11,919.19x = 16,448.47 × 6,541.66
  4. Step 4: Simplify right side
    11,919.19x = 107,600,298.26
  5. Step 5: Solve for x
    x = 107,600,298.26/11,919.19
  6. Step 6: Final answer
    x = 9,027.48

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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.