Home / 11,482.16-17,208.55-9,995.30

Finding the Fourth Proportional to 11,482.16, 17,208.55 and 9,995.30

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Solution

The fourth proportional to 11,482.16, 17,208.55 and 9,995.30 is: 14,980.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482.16 : 17,208.55 = 9,995.30 : x
  2. Step 2: Convert to fraction form
    11,482.16/17,208.55 = 9,995.30/x
  3. Step 3: Cross multiply
    11,482.16x = 17,208.55 × 9,995.30
  4. Step 4: Simplify right side
    11,482.16x = 172,004,610.80
  5. Step 5: Solve for x
    x = 172,004,610.80/11,482.16
  6. Step 6: Final answer
    x = 14,980.17

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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.