Home / 13,126.46-18,117.96-7,464.52

Finding the Fourth Proportional to 13,126.46, 18,117.96 and 7,464.52

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Solution

The fourth proportional to 13,126.46, 18,117.96 and 7,464.52 is: 10,302.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.46 : 18,117.96 = 7,464.52 : x
  2. Step 2: Convert to fraction form
    13,126.46/18,117.96 = 7,464.52/x
  3. Step 3: Cross multiply
    13,126.46x = 18,117.96 × 7,464.52
  4. Step 4: Simplify right side
    13,126.46x = 135,241,784.19
  5. Step 5: Solve for x
    x = 135,241,784.19/13,126.46
  6. Step 6: Final answer
    x = 10,302.99

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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.