Home / 8,798.12-12,143.32-5,814.38

Finding the Fourth Proportional to 8,798.12, 12,143.32 and 5,814.38

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Solution

The fourth proportional to 8,798.12, 12,143.32 and 5,814.38 is: 8,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.12 : 12,143.32 = 5,814.38 : x
  2. Step 2: Convert to fraction form
    8,798.12/12,143.32 = 5,814.38/x
  3. Step 3: Cross multiply
    8,798.12x = 12,143.32 × 5,814.38
  4. Step 4: Simplify right side
    8,798.12x = 70,605,892.76
  5. Step 5: Solve for x
    x = 70,605,892.76/8,798.12
  6. Step 6: Final answer
    x = 8,025.11

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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.