Home / 6,511.26-8,985.48-3,526.92

Finding the Fourth Proportional to 6,511.26, 8,985.48 and 3,526.92

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Solution

The fourth proportional to 6,511.26, 8,985.48 and 3,526.92 is: 4,867.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.26 : 8,985.48 = 3,526.92 : x
  2. Step 2: Convert to fraction form
    6,511.26/8,985.48 = 3,526.92/x
  3. Step 3: Cross multiply
    6,511.26x = 8,985.48 × 3,526.92
  4. Step 4: Simplify right side
    6,511.26x = 31,691,069.12
  5. Step 5: Solve for x
    x = 31,691,069.12/6,511.26
  6. Step 6: Final answer
    x = 4,867.12

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Double scale
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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.