Home / 9,489.90-13,096.02-5,513.34

Finding the Fourth Proportional to 9,489.90, 13,096.02 and 5,513.34

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Solution

The fourth proportional to 9,489.90, 13,096.02 and 5,513.34 is: 7,608.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.90 : 13,096.02 = 5,513.34 : x
  2. Step 2: Convert to fraction form
    9,489.90/13,096.02 = 5,513.34/x
  3. Step 3: Cross multiply
    9,489.90x = 13,096.02 × 5,513.34
  4. Step 4: Simplify right side
    9,489.90x = 72,202,810.91
  5. Step 5: Solve for x
    x = 72,202,810.91/9,489.90
  6. Step 6: Final answer
    x = 7,608.38

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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.