Home / 11,351.36-15,666.26-6,875.00

Finding the Fourth Proportional to 11,351.36, 15,666.26 and 6,875.00

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Solution

The fourth proportional to 11,351.36, 15,666.26 and 6,875.00 is: 9,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.36 : 15,666.26 = 6,875.00 : x
  2. Step 2: Convert to fraction form
    11,351.36/15,666.26 = 6,875.00/x
  3. Step 3: Cross multiply
    11,351.36x = 15,666.26 × 6,875.00
  4. Step 4: Simplify right side
    11,351.36x = 107,705,424.79
  5. Step 5: Solve for x
    x = 107,705,424.79/11,351.36
  6. Step 6: Final answer
    x = 9,488.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.