Home / 10,809.20-14,916.60-6,029.10

Finding the Fourth Proportional to 10,809.20, 14,916.60 and 6,029.10

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Solution

The fourth proportional to 10,809.20, 14,916.60 and 6,029.10 is: 8,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.20 : 14,916.60 = 6,029.10 : x
  2. Step 2: Convert to fraction form
    10,809.20/14,916.60 = 6,029.10/x
  3. Step 3: Cross multiply
    10,809.20x = 14,916.60 × 6,029.10
  4. Step 4: Simplify right side
    10,809.20x = 89,933,673.06
  5. Step 5: Solve for x
    x = 89,933,673.06/10,809.20
  6. Step 6: Final answer
    x = 8,320.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.