Home / 9,867.06-14,777.10-5,418.14

Finding the Fourth Proportional to 9,867.06, 14,777.10 and 5,418.14

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Solution

The fourth proportional to 9,867.06, 14,777.10 and 5,418.14 is: 8,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.06 : 14,777.10 = 5,418.14 : x
  2. Step 2: Convert to fraction form
    9,867.06/14,777.10 = 5,418.14/x
  3. Step 3: Cross multiply
    9,867.06x = 14,777.10 × 5,418.14
  4. Step 4: Simplify right side
    9,867.06x = 80,064,322.71
  5. Step 5: Solve for x
    x = 80,064,322.71/9,867.06
  6. Step 6: Final answer
    x = 8,114.30

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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.