Home / 8,501.40-12,750.26-2,657.25

Finding the Fourth Proportional to 8,501.40, 12,750.26 and 2,657.25

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Solution

The fourth proportional to 8,501.40, 12,750.26 and 2,657.25 is: 3,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.40 : 12,750.26 = 2,657.25 : x
  2. Step 2: Convert to fraction form
    8,501.40/12,750.26 = 2,657.25/x
  3. Step 3: Cross multiply
    8,501.40x = 12,750.26 × 2,657.25
  4. Step 4: Simplify right side
    8,501.40x = 33,880,615.10
  5. Step 5: Solve for x
    x = 33,880,615.10/8,501.40
  6. Step 6: Final answer
    x = 3,985.30

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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.