Home / 7,962.51-11,939.65-3,576.21

Finding the Fourth Proportional to 7,962.51, 11,939.65 and 3,576.21

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Solution

The fourth proportional to 7,962.51, 11,939.65 and 3,576.21 is: 5,362.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.51 : 11,939.65 = 3,576.21 : x
  2. Step 2: Convert to fraction form
    7,962.51/11,939.65 = 3,576.21/x
  3. Step 3: Cross multiply
    7,962.51x = 11,939.65 × 3,576.21
  4. Step 4: Simplify right side
    7,962.51x = 42,698,695.73
  5. Step 5: Solve for x
    x = 42,698,695.73/7,962.51
  6. Step 6: Final answer
    x = 5,362.47

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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.