Home / 11,822.04-16,314.46-7,106.40

Finding the Fourth Proportional to 11,822.04, 16,314.46 and 7,106.40

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Solution

The fourth proportional to 11,822.04, 16,314.46 and 7,106.40 is: 9,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.04 : 16,314.46 = 7,106.40 : x
  2. Step 2: Convert to fraction form
    11,822.04/16,314.46 = 7,106.40/x
  3. Step 3: Cross multiply
    11,822.04x = 16,314.46 × 7,106.40
  4. Step 4: Simplify right side
    11,822.04x = 115,937,078.54
  5. Step 5: Solve for x
    x = 115,937,078.54/11,822.04
  6. Step 6: Final answer
    x = 9,806.86

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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.