Home / 9,822.60-13,555.20-5,346.34

Finding the Fourth Proportional to 9,822.60, 13,555.20 and 5,346.34

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Solution

The fourth proportional to 9,822.60, 13,555.20 and 5,346.34 is: 7,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,822.60 : 13,555.20 = 5,346.34 : x
  2. Step 2: Convert to fraction form
    9,822.60/13,555.20 = 5,346.34/x
  3. Step 3: Cross multiply
    9,822.60x = 13,555.20 × 5,346.34
  4. Step 4: Simplify right side
    9,822.60x = 72,470,707.97
  5. Step 5: Solve for x
    x = 72,470,707.97/9,822.60
  6. Step 6: Final answer
    x = 7,377.96

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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.