Home / 7,990.02-11,026.08-4,453.02

Finding the Fourth Proportional to 7,990.02, 11,026.08 and 4,453.02

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Solution

The fourth proportional to 7,990.02, 11,026.08 and 4,453.02 is: 6,145.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.02 : 11,026.08 = 4,453.02 : x
  2. Step 2: Convert to fraction form
    7,990.02/11,026.08 = 4,453.02/x
  3. Step 3: Cross multiply
    7,990.02x = 11,026.08 × 4,453.02
  4. Step 4: Simplify right side
    7,990.02x = 49,099,354.76
  5. Step 5: Solve for x
    x = 49,099,354.76/7,990.02
  6. Step 6: Final answer
    x = 6,145.09

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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.