Home / 7,547.58-11,334.12-4,919.54

Finding the Fourth Proportional to 7,547.58, 11,334.12 and 4,919.54

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Solution

The fourth proportional to 7,547.58, 11,334.12 and 4,919.54 is: 7,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.58 : 11,334.12 = 4,919.54 : x
  2. Step 2: Convert to fraction form
    7,547.58/11,334.12 = 4,919.54/x
  3. Step 3: Cross multiply
    7,547.58x = 11,334.12 × 4,919.54
  4. Step 4: Simplify right side
    7,547.58x = 55,758,656.70
  5. Step 5: Solve for x
    x = 55,758,656.70/7,547.58
  6. Step 6: Final answer
    x = 7,387.62

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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.