Home / 8,999.44-12,417.76-5,020.48

Finding the Fourth Proportional to 8,999.44, 12,417.76 and 5,020.48

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Solution

The fourth proportional to 8,999.44, 12,417.76 and 5,020.48 is: 6,927.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.44 : 12,417.76 = 5,020.48 : x
  2. Step 2: Convert to fraction form
    8,999.44/12,417.76 = 5,020.48/x
  3. Step 3: Cross multiply
    8,999.44x = 12,417.76 × 5,020.48
  4. Step 4: Simplify right side
    8,999.44x = 62,343,115.72
  5. Step 5: Solve for x
    x = 62,343,115.72/8,999.44
  6. Step 6: Final answer
    x = 6,927.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.