Home / 11,295.13-15,585.46-7,100.41

Finding the Fourth Proportional to 11,295.13, 15,585.46 and 7,100.41

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Solution

The fourth proportional to 11,295.13, 15,585.46 and 7,100.41 is: 9,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.13 : 15,585.46 = 7,100.41 : x
  2. Step 2: Convert to fraction form
    11,295.13/15,585.46 = 7,100.41/x
  3. Step 3: Cross multiply
    11,295.13x = 15,585.46 × 7,100.41
  4. Step 4: Simplify right side
    11,295.13x = 110,663,156.04
  5. Step 5: Solve for x
    x = 110,663,156.04/11,295.13
  6. Step 6: Final answer
    x = 9,797.42

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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.