Home / 10,913.64-16,370.46-3,122.46

Finding the Fourth Proportional to 10,913.64, 16,370.46 and 3,122.46

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Solution

The fourth proportional to 10,913.64, 16,370.46 and 3,122.46 is: 4,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.64 : 16,370.46 = 3,122.46 : x
  2. Step 2: Convert to fraction form
    10,913.64/16,370.46 = 3,122.46/x
  3. Step 3: Cross multiply
    10,913.64x = 16,370.46 × 3,122.46
  4. Step 4: Simplify right side
    10,913.64x = 51,116,106.53
  5. Step 5: Solve for x
    x = 51,116,106.53/10,913.64
  6. Step 6: Final answer
    x = 4,683.69

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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.