Home / 11,222.92-15,487.74-6,187.32

Finding the Fourth Proportional to 11,222.92, 15,487.74 and 6,187.32

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Solution

The fourth proportional to 11,222.92, 15,487.74 and 6,187.32 is: 8,538.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.92 : 15,487.74 = 6,187.32 : x
  2. Step 2: Convert to fraction form
    11,222.92/15,487.74 = 6,187.32/x
  3. Step 3: Cross multiply
    11,222.92x = 15,487.74 × 6,187.32
  4. Step 4: Simplify right side
    11,222.92x = 95,827,603.46
  5. Step 5: Solve for x
    x = 95,827,603.46/11,222.92
  6. Step 6: Final answer
    x = 8,538.56

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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.