Home / 7,329.06-10,114.40-4,143.60

Finding the Fourth Proportional to 7,329.06, 10,114.40 and 4,143.60

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Solution

The fourth proportional to 7,329.06, 10,114.40 and 4,143.60 is: 5,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.06 : 10,114.40 = 4,143.60 : x
  2. Step 2: Convert to fraction form
    7,329.06/10,114.40 = 4,143.60/x
  3. Step 3: Cross multiply
    7,329.06x = 10,114.40 × 4,143.60
  4. Step 4: Simplify right side
    7,329.06x = 41,910,027.84
  5. Step 5: Solve for x
    x = 41,910,027.84/7,329.06
  6. Step 6: Final answer
    x = 5,718.34

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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.