Home / 6,972.02-9,621.05-3,785.24

Finding the Fourth Proportional to 6,972.02, 9,621.05 and 3,785.24

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Solution

The fourth proportional to 6,972.02, 9,621.05 and 3,785.24 is: 5,223.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.02 : 9,621.05 = 3,785.24 : x
  2. Step 2: Convert to fraction form
    6,972.02/9,621.05 = 3,785.24/x
  3. Step 3: Cross multiply
    6,972.02x = 9,621.05 × 3,785.24
  4. Step 4: Simplify right side
    6,972.02x = 36,417,983.30
  5. Step 5: Solve for x
    x = 36,417,983.30/6,972.02
  6. Step 6: Final answer
    x = 5,223.45

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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.