Home / 11,363.51-15,681.69-6,327.72

Finding the Fourth Proportional to 11,363.51, 15,681.69 and 6,327.72

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Solution

The fourth proportional to 11,363.51, 15,681.69 and 6,327.72 is: 8,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.51 : 15,681.69 = 6,327.72 : x
  2. Step 2: Convert to fraction form
    11,363.51/15,681.69 = 6,327.72/x
  3. Step 3: Cross multiply
    11,363.51x = 15,681.69 × 6,327.72
  4. Step 4: Simplify right side
    11,363.51x = 99,229,343.45
  5. Step 5: Solve for x
    x = 99,229,343.45/11,363.51
  6. Step 6: Final answer
    x = 8,732.28

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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.