Home / 6,946.59-9,586.55-3,802.78

Finding the Fourth Proportional to 6,946.59, 9,586.55 and 3,802.78

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Solution

The fourth proportional to 6,946.59, 9,586.55 and 3,802.78 is: 5,247.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,946.59 : 9,586.55 = 3,802.78 : x
  2. Step 2: Convert to fraction form
    6,946.59/9,586.55 = 3,802.78/x
  3. Step 3: Cross multiply
    6,946.59x = 9,586.55 × 3,802.78
  4. Step 4: Simplify right side
    6,946.59x = 36,455,540.61
  5. Step 5: Solve for x
    x = 36,455,540.61/6,946.59
  6. Step 6: Final answer
    x = 5,247.98

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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.