Home / 10,618.02-15,927.44-5,417.82

Finding the Fourth Proportional to 10,618.02, 15,927.44 and 5,417.82

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Solution

The fourth proportional to 10,618.02, 15,927.44 and 5,417.82 is: 8,126.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.02 : 15,927.44 = 5,417.82 : x
  2. Step 2: Convert to fraction form
    10,618.02/15,927.44 = 5,417.82/x
  3. Step 3: Cross multiply
    10,618.02x = 15,927.44 × 5,417.82
  4. Step 4: Simplify right side
    10,618.02x = 86,291,975.89
  5. Step 5: Solve for x
    x = 86,291,975.89/10,618.02
  6. Step 6: Final answer
    x = 8,126.94

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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.