Home / 10,071.78-13,898.46-5,595.26

Finding the Fourth Proportional to 10,071.78, 13,898.46 and 5,595.26

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Solution

The fourth proportional to 10,071.78, 13,898.46 and 5,595.26 is: 7,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.78 : 13,898.46 = 5,595.26 : x
  2. Step 2: Convert to fraction form
    10,071.78/13,898.46 = 5,595.26/x
  3. Step 3: Cross multiply
    10,071.78x = 13,898.46 × 5,595.26
  4. Step 4: Simplify right side
    10,071.78x = 77,765,497.30
  5. Step 5: Solve for x
    x = 77,765,497.30/10,071.78
  6. Step 6: Final answer
    x = 7,721.13

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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.