Home / 11,099.93-15,319.58-6,383.90

Finding the Fourth Proportional to 11,099.93, 15,319.58 and 6,383.90

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Solution

The fourth proportional to 11,099.93, 15,319.58 and 6,383.90 is: 8,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,099.93 : 15,319.58 = 6,383.90 : x
  2. Step 2: Convert to fraction form
    11,099.93/15,319.58 = 6,383.90/x
  3. Step 3: Cross multiply
    11,099.93x = 15,319.58 × 6,383.90
  4. Step 4: Simplify right side
    11,099.93x = 97,798,558.24
  5. Step 5: Solve for x
    x = 97,798,558.24/11,099.93
  6. Step 6: Final answer
    x = 8,810.74

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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.