Home / 9,541.56-13,160.70-9,220.44

Finding the Fourth Proportional to 9,541.56, 13,160.70 and 9,220.44

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Solution

The fourth proportional to 9,541.56, 13,160.70 and 9,220.44 is: 12,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,541.56 : 13,160.70 = 9,220.44 : x
  2. Step 2: Convert to fraction form
    9,541.56/13,160.70 = 9,220.44/x
  3. Step 3: Cross multiply
    9,541.56x = 13,160.70 × 9,220.44
  4. Step 4: Simplify right side
    9,541.56x = 121,347,444.71
  5. Step 5: Solve for x
    x = 121,347,444.71/9,541.56
  6. Step 6: Final answer
    x = 12,717.78

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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.