Home / 9,812.31-13,541.11-5,336.18

Finding the Fourth Proportional to 9,812.31, 13,541.11 and 5,336.18

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Solution

The fourth proportional to 9,812.31, 13,541.11 and 5,336.18 is: 7,363.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812.31 : 13,541.11 = 5,336.18 : x
  2. Step 2: Convert to fraction form
    9,812.31/13,541.11 = 5,336.18/x
  3. Step 3: Cross multiply
    9,812.31x = 13,541.11 × 5,336.18
  4. Step 4: Simplify right side
    9,812.31x = 72,257,705.97
  5. Step 5: Solve for x
    x = 72,257,705.97/9,812.31
  6. Step 6: Final answer
    x = 7,363.99

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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.