Home / 10,637.36-14,679.43-5,857.20

Finding the Fourth Proportional to 10,637.36, 14,679.43 and 5,857.20

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Solution

The fourth proportional to 10,637.36, 14,679.43 and 5,857.20 is: 8,082.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.36 : 14,679.43 = 5,857.20 : x
  2. Step 2: Convert to fraction form
    10,637.36/14,679.43 = 5,857.20/x
  3. Step 3: Cross multiply
    10,637.36x = 14,679.43 × 5,857.20
  4. Step 4: Simplify right side
    10,637.36x = 85,980,342.75
  5. Step 5: Solve for x
    x = 85,980,342.75/10,637.36
  6. Step 6: Final answer
    x = 8,082.87

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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.