Home / 10,866.40-16,293.53-5,015.77

Finding the Fourth Proportional to 10,866.40, 16,293.53 and 5,015.77

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Solution

The fourth proportional to 10,866.40, 16,293.53 and 5,015.77 is: 7,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.40 : 16,293.53 = 5,015.77 : x
  2. Step 2: Convert to fraction form
    10,866.40/16,293.53 = 5,015.77/x
  3. Step 3: Cross multiply
    10,866.40x = 16,293.53 × 5,015.77
  4. Step 4: Simplify right side
    10,866.40x = 81,724,573.89
  5. Step 5: Solve for x
    x = 81,724,573.89/10,866.40
  6. Step 6: Final answer
    x = 7,520.85

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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.