Home / 8,143.12-11,237.50-4,417.12

Finding the Fourth Proportional to 8,143.12, 11,237.50 and 4,417.12

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Solution

The fourth proportional to 8,143.12, 11,237.50 and 4,417.12 is: 6,095.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.12 : 11,237.50 = 4,417.12 : x
  2. Step 2: Convert to fraction form
    8,143.12/11,237.50 = 4,417.12/x
  3. Step 3: Cross multiply
    8,143.12x = 11,237.50 × 4,417.12
  4. Step 4: Simplify right side
    8,143.12x = 49,637,307.73
  5. Step 5: Solve for x
    x = 49,637,307.73/8,143.12
  6. Step 6: Final answer
    x = 6,095.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.