Home / 10,714.09-16,073.70-4,869.40

Finding the Fourth Proportional to 10,714.09, 16,073.70 and 4,869.40

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Solution

The fourth proportional to 10,714.09, 16,073.70 and 4,869.40 is: 7,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,714.09 : 16,073.70 = 4,869.40 : x
  2. Step 2: Convert to fraction form
    10,714.09/16,073.70 = 4,869.40/x
  3. Step 3: Cross multiply
    10,714.09x = 16,073.70 × 4,869.40
  4. Step 4: Simplify right side
    10,714.09x = 78,269,274.78
  5. Step 5: Solve for x
    x = 78,269,274.78/10,714.09
  6. Step 6: Final answer
    x = 7,305.27

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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.