Home / 10,816.68-16,217.46-4,970.10

Finding the Fourth Proportional to 10,816.68, 16,217.46 and 4,970.10

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Solution

The fourth proportional to 10,816.68, 16,217.46 and 4,970.10 is: 7,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.68 : 16,217.46 = 4,970.10 : x
  2. Step 2: Convert to fraction form
    10,816.68/16,217.46 = 4,970.10/x
  3. Step 3: Cross multiply
    10,816.68x = 16,217.46 × 4,970.10
  4. Step 4: Simplify right side
    10,816.68x = 80,602,397.95
  5. Step 5: Solve for x
    x = 80,602,397.95/10,816.68
  6. Step 6: Final answer
    x = 7,451.68

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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.