Home / 8,573.60-11,821.20-5,916.80

Finding the Fourth Proportional to 8,573.60, 11,821.20 and 5,916.80

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Solution

The fourth proportional to 8,573.60, 11,821.20 and 5,916.80 is: 8,158.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573.60 : 11,821.20 = 5,916.80 : x
  2. Step 2: Convert to fraction form
    8,573.60/11,821.20 = 5,916.80/x
  3. Step 3: Cross multiply
    8,573.60x = 11,821.20 × 5,916.80
  4. Step 4: Simplify right side
    8,573.60x = 69,943,676.16
  5. Step 5: Solve for x
    x = 69,943,676.16/8,573.60
  6. Step 6: Final answer
    x = 8,158.03

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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.