Home / 9,359.81-12,916.44-5,110.86

Finding the Fourth Proportional to 9,359.81, 12,916.44 and 5,110.86

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Solution

The fourth proportional to 9,359.81, 12,916.44 and 5,110.86 is: 7,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.81 : 12,916.44 = 5,110.86 : x
  2. Step 2: Convert to fraction form
    9,359.81/12,916.44 = 5,110.86/x
  3. Step 3: Cross multiply
    9,359.81x = 12,916.44 × 5,110.86
  4. Step 4: Simplify right side
    9,359.81x = 66,014,090.98
  5. Step 5: Solve for x
    x = 66,014,090.98/9,359.81
  6. Step 6: Final answer
    x = 7,052.93

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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.