Home / 9,243.02-12,740.36-7,222.91

Finding the Fourth Proportional to 9,243.02, 12,740.36 and 7,222.91

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Solution

The fourth proportional to 9,243.02, 12,740.36 and 7,222.91 is: 9,955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.02 : 12,740.36 = 7,222.91 : x
  2. Step 2: Convert to fraction form
    9,243.02/12,740.36 = 7,222.91/x
  3. Step 3: Cross multiply
    9,243.02x = 12,740.36 × 7,222.91
  4. Step 4: Simplify right side
    9,243.02x = 92,022,373.83
  5. Step 5: Solve for x
    x = 92,022,373.83/9,243.02
  6. Step 6: Final answer
    x = 9,955.88

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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.