Home / 7,962.72-11,944.35-3,031.62

Finding the Fourth Proportional to 7,962.72, 11,944.35 and 3,031.62

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Solution

The fourth proportional to 7,962.72, 11,944.35 and 3,031.62 is: 4,547.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.72 : 11,944.35 = 3,031.62 : x
  2. Step 2: Convert to fraction form
    7,962.72/11,944.35 = 3,031.62/x
  3. Step 3: Cross multiply
    7,962.72x = 11,944.35 × 3,031.62
  4. Step 4: Simplify right side
    7,962.72x = 36,210,730.35
  5. Step 5: Solve for x
    x = 36,210,730.35/7,962.72
  6. Step 6: Final answer
    x = 4,547.53

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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.