Home / 10,893.15-16,345.13-4,319.19

Finding the Fourth Proportional to 10,893.15, 16,345.13 and 4,319.19

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Solution

The fourth proportional to 10,893.15, 16,345.13 and 4,319.19 is: 6,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.15 : 16,345.13 = 4,319.19 : x
  2. Step 2: Convert to fraction form
    10,893.15/16,345.13 = 4,319.19/x
  3. Step 3: Cross multiply
    10,893.15x = 16,345.13 × 4,319.19
  4. Step 4: Simplify right side
    10,893.15x = 70,597,700.45
  5. Step 5: Solve for x
    x = 70,597,700.45/10,893.15
  6. Step 6: Final answer
    x = 6,480.93

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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.