Home / 10,587.90-14,568.39-8,692.50

Finding the Fourth Proportional to 10,587.90, 14,568.39 and 8,692.50

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Solution

The fourth proportional to 10,587.90, 14,568.39 and 8,692.50 is: 11,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.90 : 14,568.39 = 8,692.50 : x
  2. Step 2: Convert to fraction form
    10,587.90/14,568.39 = 8,692.50/x
  3. Step 3: Cross multiply
    10,587.90x = 14,568.39 × 8,692.50
  4. Step 4: Simplify right side
    10,587.90x = 126,635,730.08
  5. Step 5: Solve for x
    x = 126,635,730.08/10,587.90
  6. Step 6: Final answer
    x = 11,960.42

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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.