Home / 8,813.49-12,164.57-6,895.52

Finding the Fourth Proportional to 8,813.49, 12,164.57 and 6,895.52

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Solution

The fourth proportional to 8,813.49, 12,164.57 and 6,895.52 is: 9,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.49 : 12,164.57 = 6,895.52 : x
  2. Step 2: Convert to fraction form
    8,813.49/12,164.57 = 6,895.52/x
  3. Step 3: Cross multiply
    8,813.49x = 12,164.57 × 6,895.52
  4. Step 4: Simplify right side
    8,813.49x = 83,881,001.25
  5. Step 5: Solve for x
    x = 83,881,001.25/8,813.49
  6. Step 6: Final answer
    x = 9,517.35

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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.