Home / 7,106.56-9,807.24-3,962.68

Finding the Fourth Proportional to 7,106.56, 9,807.24 and 3,962.68

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Solution

The fourth proportional to 7,106.56, 9,807.24 and 3,962.68 is: 5,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.56 : 9,807.24 = 3,962.68 : x
  2. Step 2: Convert to fraction form
    7,106.56/9,807.24 = 3,962.68/x
  3. Step 3: Cross multiply
    7,106.56x = 9,807.24 × 3,962.68
  4. Step 4: Simplify right side
    7,106.56x = 38,862,953.80
  5. Step 5: Solve for x
    x = 38,862,953.80/7,106.56
  6. Step 6: Final answer
    x = 5,468.60

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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.