Home / 9,834.22-13,574.19-6,431.77

Finding the Fourth Proportional to 9,834.22, 13,574.19 and 6,431.77

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Solution

The fourth proportional to 9,834.22, 13,574.19 and 6,431.77 is: 8,877.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,834.22 : 13,574.19 = 6,431.77 : x
  2. Step 2: Convert to fraction form
    9,834.22/13,574.19 = 6,431.77/x
  3. Step 3: Cross multiply
    9,834.22x = 13,574.19 × 6,431.77
  4. Step 4: Simplify right side
    9,834.22x = 87,306,068.02
  5. Step 5: Solve for x
    x = 87,306,068.02/9,834.22
  6. Step 6: Final answer
    x = 8,877.78

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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.