Home / 10,854.04-16,285.78-4,618.28

Finding the Fourth Proportional to 10,854.04, 16,285.78 and 4,618.28

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Solution

The fourth proportional to 10,854.04, 16,285.78 and 4,618.28 is: 6,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.04 : 16,285.78 = 4,618.28 : x
  2. Step 2: Convert to fraction form
    10,854.04/16,285.78 = 4,618.28/x
  3. Step 3: Cross multiply
    10,854.04x = 16,285.78 × 4,618.28
  4. Step 4: Simplify right side
    10,854.04x = 75,212,292.06
  5. Step 5: Solve for x
    x = 75,212,292.06/10,854.04
  6. Step 6: Final answer
    x = 6,929.43

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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.