Home / 11,240.36-15,510.85-6,702.94

Finding the Fourth Proportional to 11,240.36, 15,510.85 and 6,702.94

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Solution

The fourth proportional to 11,240.36, 15,510.85 and 6,702.94 is: 9,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.36 : 15,510.85 = 6,702.94 : x
  2. Step 2: Convert to fraction form
    11,240.36/15,510.85 = 6,702.94/x
  3. Step 3: Cross multiply
    11,240.36x = 15,510.85 × 6,702.94
  4. Step 4: Simplify right side
    11,240.36x = 103,968,296.90
  5. Step 5: Solve for x
    x = 103,968,296.90/11,240.36
  6. Step 6: Final answer
    x = 9,249.55

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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.