Home / 10,943.38-16,415.16-4,702.96

Finding the Fourth Proportional to 10,943.38, 16,415.16 and 4,702.96

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Solution

The fourth proportional to 10,943.38, 16,415.16 and 4,702.96 is: 7,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.38 : 16,415.16 = 4,702.96 : x
  2. Step 2: Convert to fraction form
    10,943.38/16,415.16 = 4,702.96/x
  3. Step 3: Cross multiply
    10,943.38x = 16,415.16 × 4,702.96
  4. Step 4: Simplify right side
    10,943.38x = 77,199,840.87
  5. Step 5: Solve for x
    x = 77,199,840.87/10,943.38
  6. Step 6: Final answer
    x = 7,054.48

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1.5x scale

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.