Home / 11,498.63-15,867.62-6,718.83

Finding the Fourth Proportional to 11,498.63, 15,867.62 and 6,718.83

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Solution

The fourth proportional to 11,498.63, 15,867.62 and 6,718.83 is: 9,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,498.63 : 15,867.62 = 6,718.83 : x
  2. Step 2: Convert to fraction form
    11,498.63/15,867.62 = 6,718.83/x
  3. Step 3: Cross multiply
    11,498.63x = 15,867.62 × 6,718.83
  4. Step 4: Simplify right side
    11,498.63x = 106,611,807.69
  5. Step 5: Solve for x
    x = 106,611,807.69/11,498.63
  6. Step 6: Final answer
    x = 9,271.70

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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.