Home / 6,864.04-9,472.37-3,720.23

Finding the Fourth Proportional to 6,864.04, 9,472.37 and 3,720.23

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Solution

The fourth proportional to 6,864.04, 9,472.37 and 3,720.23 is: 5,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.04 : 9,472.37 = 3,720.23 : x
  2. Step 2: Convert to fraction form
    6,864.04/9,472.37 = 3,720.23/x
  3. Step 3: Cross multiply
    6,864.04x = 9,472.37 × 3,720.23
  4. Step 4: Simplify right side
    6,864.04x = 35,239,356.98
  5. Step 5: Solve for x
    x = 35,239,356.98/6,864.04
  6. Step 6: Final answer
    x = 5,133.91

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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.