Home / 10,377.12-14,322.24-6,187.68

Finding the Fourth Proportional to 10,377.12, 14,322.24 and 6,187.68

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Solution

The fourth proportional to 10,377.12, 14,322.24 and 6,187.68 is: 8,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.12 : 14,322.24 = 6,187.68 : x
  2. Step 2: Convert to fraction form
    10,377.12/14,322.24 = 6,187.68/x
  3. Step 3: Cross multiply
    10,377.12x = 14,322.24 × 6,187.68
  4. Step 4: Simplify right side
    10,377.12x = 88,621,438.00
  5. Step 5: Solve for x
    x = 88,621,438.00/10,377.12
  6. Step 6: Final answer
    x = 8,540.08

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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.