Home / 11,546.57-15,941.15-7,574.58

Finding the Fourth Proportional to 11,546.57, 15,941.15 and 7,574.58

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Solution

The fourth proportional to 11,546.57, 15,941.15 and 7,574.58 is: 10,457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,546.57 : 15,941.15 = 7,574.58 : x
  2. Step 2: Convert to fraction form
    11,546.57/15,941.15 = 7,574.58/x
  3. Step 3: Cross multiply
    11,546.57x = 15,941.15 × 7,574.58
  4. Step 4: Simplify right side
    11,546.57x = 120,747,478.09
  5. Step 5: Solve for x
    x = 120,747,478.09/11,546.57
  6. Step 6: Final answer
    x = 10,457.44

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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.