Home / 11,108.24-15,329.16-6,140.24

Finding the Fourth Proportional to 11,108.24, 15,329.16 and 6,140.24

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Solution

The fourth proportional to 11,108.24, 15,329.16 and 6,140.24 is: 8,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.24 : 15,329.16 = 6,140.24 : x
  2. Step 2: Convert to fraction form
    11,108.24/15,329.16 = 6,140.24/x
  3. Step 3: Cross multiply
    11,108.24x = 15,329.16 × 6,140.24
  4. Step 4: Simplify right side
    11,108.24x = 94,124,721.40
  5. Step 5: Solve for x
    x = 94,124,721.40/11,108.24
  6. Step 6: Final answer
    x = 8,473.41

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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.