Home / 12,430.50-18,646.33-4,110.31

Finding the Fourth Proportional to 12,430.50, 18,646.33 and 4,110.31

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Solution

The fourth proportional to 12,430.50, 18,646.33 and 4,110.31 is: 6,165.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430.50 : 18,646.33 = 4,110.31 : x
  2. Step 2: Convert to fraction form
    12,430.50/18,646.33 = 4,110.31/x
  3. Step 3: Cross multiply
    12,430.50x = 18,646.33 × 4,110.31
  4. Step 4: Simplify right side
    12,430.50x = 76,642,196.66
  5. Step 5: Solve for x
    x = 76,642,196.66/12,430.50
  6. Step 6: Final answer
    x = 6,165.66

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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.