Home / 12,335.68-18,510.88-4,550.08

Finding the Fourth Proportional to 12,335.68, 18,510.88 and 4,550.08

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Solution

The fourth proportional to 12,335.68, 18,510.88 and 4,550.08 is: 6,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.68 : 18,510.88 = 4,550.08 : x
  2. Step 2: Convert to fraction form
    12,335.68/18,510.88 = 4,550.08/x
  3. Step 3: Cross multiply
    12,335.68x = 18,510.88 × 4,550.08
  4. Step 4: Simplify right side
    12,335.68x = 84,225,984.87
  5. Step 5: Solve for x
    x = 84,225,984.87/12,335.68
  6. Step 6: Final answer
    x = 6,827.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.