Home / 11,579.77-15,980.01-6,545.62

Finding the Fourth Proportional to 11,579.77, 15,980.01 and 6,545.62

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Solution

The fourth proportional to 11,579.77, 15,980.01 and 6,545.62 is: 9,032.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.77 : 15,980.01 = 6,545.62 : x
  2. Step 2: Convert to fraction form
    11,579.77/15,980.01 = 6,545.62/x
  3. Step 3: Cross multiply
    11,579.77x = 15,980.01 × 6,545.62
  4. Step 4: Simplify right side
    11,579.77x = 104,599,073.06
  5. Step 5: Solve for x
    x = 104,599,073.06/11,579.77
  6. Step 6: Final answer
    x = 9,032.91

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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.