Home / 10,916.82-15,064.02-6,670.02

Finding the Fourth Proportional to 10,916.82, 15,064.02 and 6,670.02

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Solution

The fourth proportional to 10,916.82, 15,064.02 and 6,670.02 is: 9,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.82 : 15,064.02 = 6,670.02 : x
  2. Step 2: Convert to fraction form
    10,916.82/15,064.02 = 6,670.02/x
  3. Step 3: Cross multiply
    10,916.82x = 15,064.02 × 6,670.02
  4. Step 4: Simplify right side
    10,916.82x = 100,477,314.68
  5. Step 5: Solve for x
    x = 100,477,314.68/10,916.82
  6. Step 6: Final answer
    x = 9,203.90

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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.