Home / 10,924.20-16,302.60-8,445.60

Finding the Fourth Proportional to 10,924.20, 16,302.60 and 8,445.60

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Solution

The fourth proportional to 10,924.20, 16,302.60 and 8,445.60 is: 12,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,924.20 : 16,302.60 = 8,445.60 : x
  2. Step 2: Convert to fraction form
    10,924.20/16,302.60 = 8,445.60/x
  3. Step 3: Cross multiply
    10,924.20x = 16,302.60 × 8,445.60
  4. Step 4: Simplify right side
    10,924.20x = 137,685,238.56
  5. Step 5: Solve for x
    x = 137,685,238.56/10,924.20
  6. Step 6: Final answer
    x = 12,603.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.