Home / 9,867.66-13,618.30-5,392.08

Finding the Fourth Proportional to 9,867.66, 13,618.30 and 5,392.08

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Solution

The fourth proportional to 9,867.66, 13,618.30 and 5,392.08 is: 7,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.66 : 13,618.30 = 5,392.08 : x
  2. Step 2: Convert to fraction form
    9,867.66/13,618.30 = 5,392.08/x
  3. Step 3: Cross multiply
    9,867.66x = 13,618.30 × 5,392.08
  4. Step 4: Simplify right side
    9,867.66x = 73,430,994.01
  5. Step 5: Solve for x
    x = 73,430,994.01/9,867.66
  6. Step 6: Final answer
    x = 7,441.58

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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.