Home / 11,382.70-15,702.54-7,606.79

Finding the Fourth Proportional to 11,382.70, 15,702.54 and 7,606.79

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Solution

The fourth proportional to 11,382.70, 15,702.54 and 7,606.79 is: 10,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.70 : 15,702.54 = 7,606.79 : x
  2. Step 2: Convert to fraction form
    11,382.70/15,702.54 = 7,606.79/x
  3. Step 3: Cross multiply
    11,382.70x = 15,702.54 × 7,606.79
  4. Step 4: Simplify right side
    11,382.70x = 119,445,807.70
  5. Step 5: Solve for x
    x = 119,445,807.70/11,382.70
  6. Step 6: Final answer
    x = 10,493.63

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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.