Home / 11,995.25-17,988.54-5,070.29

Finding the Fourth Proportional to 11,995.25, 17,988.54 and 5,070.29

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Solution

The fourth proportional to 11,995.25, 17,988.54 and 5,070.29 is: 7,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.25 : 17,988.54 = 5,070.29 : x
  2. Step 2: Convert to fraction form
    11,995.25/17,988.54 = 5,070.29/x
  3. Step 3: Cross multiply
    11,995.25x = 17,988.54 × 5,070.29
  4. Step 4: Simplify right side
    11,995.25x = 91,207,114.48
  5. Step 5: Solve for x
    x = 91,207,114.48/11,995.25
  6. Step 6: Final answer
    x = 7,603.60

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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.