Home / 12,530.10-18,797.33-4,210.93

Finding the Fourth Proportional to 12,530.10, 18,797.33 and 4,210.93

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Solution

The fourth proportional to 12,530.10, 18,797.33 and 4,210.93 is: 6,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.10 : 18,797.33 = 4,210.93 : x
  2. Step 2: Convert to fraction form
    12,530.10/18,797.33 = 4,210.93/x
  3. Step 3: Cross multiply
    12,530.10x = 18,797.33 × 4,210.93
  4. Step 4: Simplify right side
    12,530.10x = 79,154,240.82
  5. Step 5: Solve for x
    x = 79,154,240.82/12,530.10
  6. Step 6: Final answer
    x = 6,317.13

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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.