Home / 7,585.02-11,380.20-3,888.99

Finding the Fourth Proportional to 7,585.02, 11,380.20 and 3,888.99

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Solution

The fourth proportional to 7,585.02, 11,380.20 and 3,888.99 is: 5,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.02 : 11,380.20 = 3,888.99 : x
  2. Step 2: Convert to fraction form
    7,585.02/11,380.20 = 3,888.99/x
  3. Step 3: Cross multiply
    7,585.02x = 11,380.20 × 3,888.99
  4. Step 4: Simplify right side
    7,585.02x = 44,257,484.00
  5. Step 5: Solve for x
    x = 44,257,484.00/7,585.02
  6. Step 6: Final answer
    x = 5,834.85

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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.