Home / 10,854.08-14,985.35-8,331.36

Finding the Fourth Proportional to 10,854.08, 14,985.35 and 8,331.36

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Solution

The fourth proportional to 10,854.08, 14,985.35 and 8,331.36 is: 11,502.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.08 : 14,985.35 = 8,331.36 : x
  2. Step 2: Convert to fraction form
    10,854.08/14,985.35 = 8,331.36/x
  3. Step 3: Cross multiply
    10,854.08x = 14,985.35 × 8,331.36
  4. Step 4: Simplify right side
    10,854.08x = 124,848,325.83
  5. Step 5: Solve for x
    x = 124,848,325.83/10,854.08
  6. Step 6: Final answer
    x = 11,502.44

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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.