Home / 9,435.22-13,020.23-5,243.74

Finding the Fourth Proportional to 9,435.22, 13,020.23 and 5,243.74

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Solution

The fourth proportional to 9,435.22, 13,020.23 and 5,243.74 is: 7,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.22 : 13,020.23 = 5,243.74 : x
  2. Step 2: Convert to fraction form
    9,435.22/13,020.23 = 5,243.74/x
  3. Step 3: Cross multiply
    9,435.22x = 13,020.23 × 5,243.74
  4. Step 4: Simplify right side
    9,435.22x = 68,274,681.42
  5. Step 5: Solve for x
    x = 68,274,681.42/9,435.22
  6. Step 6: Final answer
    x = 7,236.15

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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.