Home / 6,946.60-9,586.53-3,802.78

Finding the Fourth Proportional to 6,946.60, 9,586.53 and 3,802.78

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Solution

The fourth proportional to 6,946.60, 9,586.53 and 3,802.78 is: 5,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,946.60 : 9,586.53 = 3,802.78 : x
  2. Step 2: Convert to fraction form
    6,946.60/9,586.53 = 3,802.78/x
  3. Step 3: Cross multiply
    6,946.60x = 9,586.53 × 3,802.78
  4. Step 4: Simplify right side
    6,946.60x = 36,455,464.55
  5. Step 5: Solve for x
    x = 36,455,464.55/6,946.60
  6. Step 6: Final answer
    x = 5,247.96

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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.