Home / 7,941.47-10,954.26-5,112.53

Finding the Fourth Proportional to 7,941.47, 10,954.26 and 5,112.53

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Solution

The fourth proportional to 7,941.47, 10,954.26 and 5,112.53 is: 7,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.47 : 10,954.26 = 5,112.53 : x
  2. Step 2: Convert to fraction form
    7,941.47/10,954.26 = 5,112.53/x
  3. Step 3: Cross multiply
    7,941.47x = 10,954.26 × 5,112.53
  4. Step 4: Simplify right side
    7,941.47x = 56,003,928.11
  5. Step 5: Solve for x
    x = 56,003,928.11/7,941.47
  6. Step 6: Final answer
    x = 7,052.09

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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.