Home / 7,186.02-9,917.55-4,391.52

Finding the Fourth Proportional to 7,186.02, 9,917.55 and 4,391.52

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Solution

The fourth proportional to 7,186.02, 9,917.55 and 4,391.52 is: 6,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.02 : 9,917.55 = 4,391.52 : x
  2. Step 2: Convert to fraction form
    7,186.02/9,917.55 = 4,391.52/x
  3. Step 3: Cross multiply
    7,186.02x = 9,917.55 × 4,391.52
  4. Step 4: Simplify right side
    7,186.02x = 43,553,119.18
  5. Step 5: Solve for x
    x = 43,553,119.18/7,186.02
  6. Step 6: Final answer
    x = 6,060.81

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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.