Home / 10,687.90-16,035.95-7,528.37

Finding the Fourth Proportional to 10,687.90, 16,035.95 and 7,528.37

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Solution

The fourth proportional to 10,687.90, 16,035.95 and 7,528.37 is: 11,295.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.90 : 16,035.95 = 7,528.37 : x
  2. Step 2: Convert to fraction form
    10,687.90/16,035.95 = 7,528.37/x
  3. Step 3: Cross multiply
    10,687.90x = 16,035.95 × 7,528.37
  4. Step 4: Simplify right side
    10,687.90x = 120,724,527.47
  5. Step 5: Solve for x
    x = 120,724,527.47/10,687.90
  6. Step 6: Final answer
    x = 11,295.44

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1.5x scale

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.