Home / 11,612.30-16,025.16-6,307.12

Finding the Fourth Proportional to 11,612.30, 16,025.16 and 6,307.12

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Solution

The fourth proportional to 11,612.30, 16,025.16 and 6,307.12 is: 8,703.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.30 : 16,025.16 = 6,307.12 : x
  2. Step 2: Convert to fraction form
    11,612.30/16,025.16 = 6,307.12/x
  3. Step 3: Cross multiply
    11,612.30x = 16,025.16 × 6,307.12
  4. Step 4: Simplify right side
    11,612.30x = 101,072,607.14
  5. Step 5: Solve for x
    x = 101,072,607.14/11,612.30
  6. Step 6: Final answer
    x = 8,703.93

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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.