Home / 11,464.68-15,818.25-6,618.22

Finding the Fourth Proportional to 11,464.68, 15,818.25 and 6,618.22

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Solution

The fourth proportional to 11,464.68, 15,818.25 and 6,618.22 is: 9,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,464.68 : 15,818.25 = 6,618.22 : x
  2. Step 2: Convert to fraction form
    11,464.68/15,818.25 = 6,618.22/x
  3. Step 3: Cross multiply
    11,464.68x = 15,818.25 × 6,618.22
  4. Step 4: Simplify right side
    11,464.68x = 104,688,618.97
  5. Step 5: Solve for x
    x = 104,688,618.97/11,464.68
  6. Step 6: Final answer
    x = 9,131.40

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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.