Home / 11,111.36-16,667.04-7,033.28

Finding the Fourth Proportional to 11,111.36, 16,667.04 and 7,033.28

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Solution

The fourth proportional to 11,111.36, 16,667.04 and 7,033.28 is: 10,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.36 : 16,667.04 = 7,033.28 : x
  2. Step 2: Convert to fraction form
    11,111.36/16,667.04 = 7,033.28/x
  3. Step 3: Cross multiply
    11,111.36x = 16,667.04 × 7,033.28
  4. Step 4: Simplify right side
    11,111.36x = 117,223,959.09
  5. Step 5: Solve for x
    x = 117,223,959.09/11,111.36
  6. Step 6: Final answer
    x = 10,549.92

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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.