Home / 10,516.12-14,513.26-7,858.90

Finding the Fourth Proportional to 10,516.12, 14,513.26 and 7,858.90

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Solution

The fourth proportional to 10,516.12, 14,513.26 and 7,858.90 is: 10,846.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.12 : 14,513.26 = 7,858.90 : x
  2. Step 2: Convert to fraction form
    10,516.12/14,513.26 = 7,858.90/x
  3. Step 3: Cross multiply
    10,516.12x = 14,513.26 × 7,858.90
  4. Step 4: Simplify right side
    10,516.12x = 114,058,259.01
  5. Step 5: Solve for x
    x = 114,058,259.01/10,516.12
  6. Step 6: Final answer
    x = 10,846.04

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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.