Home / 12,461.06-18,703.89-5,445.92

Finding the Fourth Proportional to 12,461.06, 18,703.89 and 5,445.92

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Solution

The fourth proportional to 12,461.06, 18,703.89 and 5,445.92 is: 8,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.06 : 18,703.89 = 5,445.92 : x
  2. Step 2: Convert to fraction form
    12,461.06/18,703.89 = 5,445.92/x
  3. Step 3: Cross multiply
    12,461.06x = 18,703.89 × 5,445.92
  4. Step 4: Simplify right side
    12,461.06x = 101,859,888.63
  5. Step 5: Solve for x
    x = 101,859,888.63/12,461.06
  6. Step 6: Final answer
    x = 8,174.26

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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.