Home / 12,098.65-18,143.29-4,702.14

Finding the Fourth Proportional to 12,098.65, 18,143.29 and 4,702.14

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Solution

The fourth proportional to 12,098.65, 18,143.29 and 4,702.14 is: 7,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098.65 : 18,143.29 = 4,702.14 : x
  2. Step 2: Convert to fraction form
    12,098.65/18,143.29 = 4,702.14/x
  3. Step 3: Cross multiply
    12,098.65x = 18,143.29 × 4,702.14
  4. Step 4: Simplify right side
    12,098.65x = 85,312,289.64
  5. Step 5: Solve for x
    x = 85,312,289.64/12,098.65
  6. Step 6: Final answer
    x = 7,051.39

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1.5x scale

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.