Home / 11,368.46-15,688.91-6,588.56

Finding the Fourth Proportional to 11,368.46, 15,688.91 and 6,588.56

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Solution

The fourth proportional to 11,368.46, 15,688.91 and 6,588.56 is: 9,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368.46 : 15,688.91 = 6,588.56 : x
  2. Step 2: Convert to fraction form
    11,368.46/15,688.91 = 6,588.56/x
  3. Step 3: Cross multiply
    11,368.46x = 15,688.91 × 6,588.56
  4. Step 4: Simplify right side
    11,368.46x = 103,367,380.56
  5. Step 5: Solve for x
    x = 103,367,380.56/11,368.46
  6. Step 6: Final answer
    x = 9,092.47

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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.