Home / 12,125.71-16,733.35-6,748.05

Finding the Fourth Proportional to 12,125.71, 16,733.35 and 6,748.05

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Solution

The fourth proportional to 12,125.71, 16,733.35 and 6,748.05 is: 9,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.71 : 16,733.35 = 6,748.05 : x
  2. Step 2: Convert to fraction form
    12,125.71/16,733.35 = 6,748.05/x
  3. Step 3: Cross multiply
    12,125.71x = 16,733.35 × 6,748.05
  4. Step 4: Simplify right side
    12,125.71x = 112,917,499.34
  5. Step 5: Solve for x
    x = 112,917,499.34/12,125.71
  6. Step 6: Final answer
    x = 9,312.24

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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.