Home / 10,051.18-13,871.48-5,576.38

Finding the Fourth Proportional to 10,051.18, 13,871.48 and 5,576.38

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Solution

The fourth proportional to 10,051.18, 13,871.48 and 5,576.38 is: 7,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,051.18 : 13,871.48 = 5,576.38 : x
  2. Step 2: Convert to fraction form
    10,051.18/13,871.48 = 5,576.38/x
  3. Step 3: Cross multiply
    10,051.18x = 13,871.48 × 5,576.38
  4. Step 4: Simplify right side
    10,051.18x = 77,352,643.64
  5. Step 5: Solve for x
    x = 77,352,643.64/10,051.18
  6. Step 6: Final answer
    x = 7,695.88

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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.