Home / 9,701.06-13,383.32-6,109.64

Finding the Fourth Proportional to 9,701.06, 13,383.32 and 6,109.64

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Solution

The fourth proportional to 9,701.06, 13,383.32 and 6,109.64 is: 8,428.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,701.06 : 13,383.32 = 6,109.64 : x
  2. Step 2: Convert to fraction form
    9,701.06/13,383.32 = 6,109.64/x
  3. Step 3: Cross multiply
    9,701.06x = 13,383.32 × 6,109.64
  4. Step 4: Simplify right side
    9,701.06x = 81,767,267.20
  5. Step 5: Solve for x
    x = 81,767,267.20/9,701.06
  6. Step 6: Final answer
    x = 8,428.69

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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.