Home / 11,141.24-16,702.13-4,210.88

Finding the Fourth Proportional to 11,141.24, 16,702.13 and 4,210.88

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Solution

The fourth proportional to 11,141.24, 16,702.13 and 4,210.88 is: 6,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.24 : 16,702.13 = 4,210.88 : x
  2. Step 2: Convert to fraction form
    11,141.24/16,702.13 = 4,210.88/x
  3. Step 3: Cross multiply
    11,141.24x = 16,702.13 × 4,210.88
  4. Step 4: Simplify right side
    11,141.24x = 70,330,592.19
  5. Step 5: Solve for x
    x = 70,330,592.19/11,141.24
  6. Step 6: Final answer
    x = 6,312.64

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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.