Home / 6,946.90-9,586.10-4,113.76

Finding the Fourth Proportional to 6,946.90, 9,586.10 and 4,113.76

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Solution

The fourth proportional to 6,946.90, 9,586.10 and 4,113.76 is: 5,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,946.90 : 9,586.10 = 4,113.76 : x
  2. Step 2: Convert to fraction form
    6,946.90/9,586.10 = 4,113.76/x
  3. Step 3: Cross multiply
    6,946.90x = 9,586.10 × 4,113.76
  4. Step 4: Simplify right side
    6,946.90x = 39,434,901.06
  5. Step 5: Solve for x
    x = 39,434,901.06/6,946.90
  6. Step 6: Final answer
    x = 5,676.62

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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.