Home / 10,253.51-14,149.84-5,537.79

Finding the Fourth Proportional to 10,253.51, 14,149.84 and 5,537.79

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Solution

The fourth proportional to 10,253.51, 14,149.84 and 5,537.79 is: 7,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.51 : 14,149.84 = 5,537.79 : x
  2. Step 2: Convert to fraction form
    10,253.51/14,149.84 = 5,537.79/x
  3. Step 3: Cross multiply
    10,253.51x = 14,149.84 × 5,537.79
  4. Step 4: Simplify right side
    10,253.51x = 78,358,842.45
  5. Step 5: Solve for x
    x = 78,358,842.45/10,253.51
  6. Step 6: Final answer
    x = 7,642.15

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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.