Home / 7,116.90-10,663.20-4,516.80

Finding the Fourth Proportional to 7,116.90, 10,663.20 and 4,516.80

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Solution

The fourth proportional to 7,116.90, 10,663.20 and 4,516.80 is: 6,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.90 : 10,663.20 = 4,516.80 : x
  2. Step 2: Convert to fraction form
    7,116.90/10,663.20 = 4,516.80/x
  3. Step 3: Cross multiply
    7,116.90x = 10,663.20 × 4,516.80
  4. Step 4: Simplify right side
    7,116.90x = 48,163,541.76
  5. Step 5: Solve for x
    x = 48,163,541.76/7,116.90
  6. Step 6: Final answer
    x = 6,767.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.