Home / 9,455.65-14,177.40-3,911.20

Finding the Fourth Proportional to 9,455.65, 14,177.40 and 3,911.20

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Solution

The fourth proportional to 9,455.65, 14,177.40 and 3,911.20 is: 5,864.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,455.65 : 14,177.40 = 3,911.20 : x
  2. Step 2: Convert to fraction form
    9,455.65/14,177.40 = 3,911.20/x
  3. Step 3: Cross multiply
    9,455.65x = 14,177.40 × 3,911.20
  4. Step 4: Simplify right side
    9,455.65x = 55,450,646.88
  5. Step 5: Solve for x
    x = 55,450,646.88/9,455.65
  6. Step 6: Final answer
    x = 5,864.29

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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.