Home / 11,942.94-17,911.53-4,547.10

Finding the Fourth Proportional to 11,942.94, 17,911.53 and 4,547.10

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Solution

The fourth proportional to 11,942.94, 17,911.53 and 4,547.10 is: 6,819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.94 : 17,911.53 = 4,547.10 : x
  2. Step 2: Convert to fraction form
    11,942.94/17,911.53 = 4,547.10/x
  3. Step 3: Cross multiply
    11,942.94x = 17,911.53 × 4,547.10
  4. Step 4: Simplify right side
    11,942.94x = 81,445,518.06
  5. Step 5: Solve for x
    x = 81,445,518.06/11,942.94
  6. Step 6: Final answer
    x = 6,819.55

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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.