Home / 10,946.52-16,420.13-4,282.76

Finding the Fourth Proportional to 10,946.52, 16,420.13 and 4,282.76

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Solution

The fourth proportional to 10,946.52, 16,420.13 and 4,282.76 is: 6,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.52 : 16,420.13 = 4,282.76 : x
  2. Step 2: Convert to fraction form
    10,946.52/16,420.13 = 4,282.76/x
  3. Step 3: Cross multiply
    10,946.52x = 16,420.13 × 4,282.76
  4. Step 4: Simplify right side
    10,946.52x = 70,323,404.57
  5. Step 5: Solve for x
    x = 70,323,404.57/10,946.52
  6. Step 6: Final answer
    x = 6,424.27

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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.