Home / 10,516.12-14,513.64-6,739.92

Finding the Fourth Proportional to 10,516.12, 14,513.64 and 6,739.92

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Solution

The fourth proportional to 10,516.12, 14,513.64 and 6,739.92 is: 9,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.12 : 14,513.64 = 6,739.92 : x
  2. Step 2: Convert to fraction form
    10,516.12/14,513.64 = 6,739.92/x
  3. Step 3: Cross multiply
    10,516.12x = 14,513.64 × 6,739.92
  4. Step 4: Simplify right side
    10,516.12x = 97,820,772.51
  5. Step 5: Solve for x
    x = 97,820,772.51/10,516.12
  6. Step 6: Final answer
    x = 9,301.98

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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.