Home / 11,784.58-16,262.67-6,479.68

Finding the Fourth Proportional to 11,784.58, 16,262.67 and 6,479.68

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Solution

The fourth proportional to 11,784.58, 16,262.67 and 6,479.68 is: 8,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.58 : 16,262.67 = 6,479.68 : x
  2. Step 2: Convert to fraction form
    11,784.58/16,262.67 = 6,479.68/x
  3. Step 3: Cross multiply
    11,784.58x = 16,262.67 × 6,479.68
  4. Step 4: Simplify right side
    11,784.58x = 105,376,897.55
  5. Step 5: Solve for x
    x = 105,376,897.55/11,784.58
  6. Step 6: Final answer
    x = 8,941.93

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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.