Home / 11,622.29-16,038.90-6,317.10

Finding the Fourth Proportional to 11,622.29, 16,038.90 and 6,317.10

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Solution

The fourth proportional to 11,622.29, 16,038.90 and 6,317.10 is: 8,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.29 : 16,038.90 = 6,317.10 : x
  2. Step 2: Convert to fraction form
    11,622.29/16,038.90 = 6,317.10/x
  3. Step 3: Cross multiply
    11,622.29x = 16,038.90 × 6,317.10
  4. Step 4: Simplify right side
    11,622.29x = 101,319,335.19
  5. Step 5: Solve for x
    x = 101,319,335.19/11,622.29
  6. Step 6: Final answer
    x = 8,717.68

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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.