Home / 7,334.16-10,121.40-5,243.28

Finding the Fourth Proportional to 7,334.16, 10,121.40 and 5,243.28

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Solution

The fourth proportional to 7,334.16, 10,121.40 and 5,243.28 is: 7,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.16 : 10,121.40 = 5,243.28 : x
  2. Step 2: Convert to fraction form
    7,334.16/10,121.40 = 5,243.28/x
  3. Step 3: Cross multiply
    7,334.16x = 10,121.40 × 5,243.28
  4. Step 4: Simplify right side
    7,334.16x = 53,069,334.19
  5. Step 5: Solve for x
    x = 53,069,334.19/7,334.16
  6. Step 6: Final answer
    x = 7,235.91

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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.