Home / 11,309.32-15,606.84-6,274.30

Finding the Fourth Proportional to 11,309.32, 15,606.84 and 6,274.30

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Solution

The fourth proportional to 11,309.32, 15,606.84 and 6,274.30 is: 8,658.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.32 : 15,606.84 = 6,274.30 : x
  2. Step 2: Convert to fraction form
    11,309.32/15,606.84 = 6,274.30/x
  3. Step 3: Cross multiply
    11,309.32x = 15,606.84 × 6,274.30
  4. Step 4: Simplify right side
    11,309.32x = 97,922,039.25
  5. Step 5: Solve for x
    x = 97,922,039.25/11,309.32
  6. Step 6: Final answer
    x = 8,658.53

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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.