Home / 6,920.84-9,551.54-4,126.60

Finding the Fourth Proportional to 6,920.84, 9,551.54 and 4,126.60

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Solution

The fourth proportional to 6,920.84, 9,551.54 and 4,126.60 is: 5,695.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.84 : 9,551.54 = 4,126.60 : x
  2. Step 2: Convert to fraction form
    6,920.84/9,551.54 = 4,126.60/x
  3. Step 3: Cross multiply
    6,920.84x = 9,551.54 × 4,126.60
  4. Step 4: Simplify right side
    6,920.84x = 39,415,384.96
  5. Step 5: Solve for x
    x = 39,415,384.96/6,920.84
  6. Step 6: Final answer
    x = 5,695.17

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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.