Home / 9,285.98-13,931.22-2,712.20

Finding the Fourth Proportional to 9,285.98, 13,931.22 and 2,712.20

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Solution

The fourth proportional to 9,285.98, 13,931.22 and 2,712.20 is: 4,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.98 : 13,931.22 = 2,712.20 : x
  2. Step 2: Convert to fraction form
    9,285.98/13,931.22 = 2,712.20/x
  3. Step 3: Cross multiply
    9,285.98x = 13,931.22 × 2,712.20
  4. Step 4: Simplify right side
    9,285.98x = 37,784,254.88
  5. Step 5: Solve for x
    x = 37,784,254.88/9,285.98
  6. Step 6: Final answer
    x = 4,068.96

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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.