Home / 10,055.72-15,084.66-4,212.92

Finding the Fourth Proportional to 10,055.72, 15,084.66 and 4,212.92

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Solution

The fourth proportional to 10,055.72, 15,084.66 and 4,212.92 is: 6,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.72 : 15,084.66 = 4,212.92 : x
  2. Step 2: Convert to fraction form
    10,055.72/15,084.66 = 4,212.92/x
  3. Step 3: Cross multiply
    10,055.72x = 15,084.66 × 4,212.92
  4. Step 4: Simplify right side
    10,055.72x = 63,550,465.81
  5. Step 5: Solve for x
    x = 63,550,465.81/10,055.72
  6. Step 6: Final answer
    x = 6,319.83

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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.