Home / 10,984.10-16,465.35-5,438.30

Finding the Fourth Proportional to 10,984.10, 16,465.35 and 5,438.30

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Solution

The fourth proportional to 10,984.10, 16,465.35 and 5,438.30 is: 8,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984.10 : 16,465.35 = 5,438.30 : x
  2. Step 2: Convert to fraction form
    10,984.10/16,465.35 = 5,438.30/x
  3. Step 3: Cross multiply
    10,984.10x = 16,465.35 × 5,438.30
  4. Step 4: Simplify right side
    10,984.10x = 89,543,512.91
  5. Step 5: Solve for x
    x = 89,543,512.91/10,984.10
  6. Step 6: Final answer
    x = 8,152.10

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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.