Home / 6,511.24-8,985.45-3,527

Finding the Fourth Proportional to 6,511.24, 8,985.45 and 3,527

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Solution

The fourth proportional to 6,511.24, 8,985.45 and 3,527 is: 4,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.24 : 8,985.45 = 3,527 : x
  2. Step 2: Convert to fraction form
    6,511.24/8,985.45 = 3,527/x
  3. Step 3: Cross multiply
    6,511.24x = 8,985.45 × 3,527
  4. Step 4: Simplify right side
    6,511.24x = 31,691,682.15
  5. Step 5: Solve for x
    x = 31,691,682.15/6,511.24
  6. Step 6: Final answer
    x = 4,867.23

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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.