Home / 7,109.43-9,813.69-6,110.70

Finding the Fourth Proportional to 7,109.43, 9,813.69 and 6,110.70

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Solution

The fourth proportional to 7,109.43, 9,813.69 and 6,110.70 is: 8,435.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.43 : 9,813.69 = 6,110.70 : x
  2. Step 2: Convert to fraction form
    7,109.43/9,813.69 = 6,110.70/x
  3. Step 3: Cross multiply
    7,109.43x = 9,813.69 × 6,110.70
  4. Step 4: Simplify right side
    7,109.43x = 59,968,515.48
  5. Step 5: Solve for x
    x = 59,968,515.48/7,109.43
  6. Step 6: Final answer
    x = 8,435.07

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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.