Home / 9,619.68-14,345.52-8,557.77

Finding the Fourth Proportional to 9,619.68, 14,345.52 and 8,557.77

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Solution

The fourth proportional to 9,619.68, 14,345.52 and 8,557.77 is: 12,761.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.68 : 14,345.52 = 8,557.77 : x
  2. Step 2: Convert to fraction form
    9,619.68/14,345.52 = 8,557.77/x
  3. Step 3: Cross multiply
    9,619.68x = 14,345.52 × 8,557.77
  4. Step 4: Simplify right side
    9,619.68x = 122,765,660.69
  5. Step 5: Solve for x
    x = 122,765,660.69/9,619.68
  6. Step 6: Final answer
    x = 12,761.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.