Home / 11,995.12-17,988.36-5,070.16

Finding the Fourth Proportional to 11,995.12, 17,988.36 and 5,070.16

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Solution

The fourth proportional to 11,995.12, 17,988.36 and 5,070.16 is: 7,603.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.12 : 17,988.36 = 5,070.16 : x
  2. Step 2: Convert to fraction form
    11,995.12/17,988.36 = 5,070.16/x
  3. Step 3: Cross multiply
    11,995.12x = 17,988.36 × 5,070.16
  4. Step 4: Simplify right side
    11,995.12x = 91,203,863.34
  5. Step 5: Solve for x
    x = 91,203,863.34/11,995.12
  6. Step 6: Final answer
    x = 7,603.41

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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.