Home / 10,645.52-14,690.40-5,929.92

Finding the Fourth Proportional to 10,645.52, 14,690.40 and 5,929.92

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Solution

The fourth proportional to 10,645.52, 14,690.40 and 5,929.92 is: 8,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.52 : 14,690.40 = 5,929.92 : x
  2. Step 2: Convert to fraction form
    10,645.52/14,690.40 = 5,929.92/x
  3. Step 3: Cross multiply
    10,645.52x = 14,690.40 × 5,929.92
  4. Step 4: Simplify right side
    10,645.52x = 87,112,896.77
  5. Step 5: Solve for x
    x = 87,112,896.77/10,645.52
  6. Step 6: Final answer
    x = 8,183.06

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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.