Home / 10,347.68-14,279.88-5,871.32

Finding the Fourth Proportional to 10,347.68, 14,279.88 and 5,871.32

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Solution

The fourth proportional to 10,347.68, 14,279.88 and 5,871.32 is: 8,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.68 : 14,279.88 = 5,871.32 : x
  2. Step 2: Convert to fraction form
    10,347.68/14,279.88 = 5,871.32/x
  3. Step 3: Cross multiply
    10,347.68x = 14,279.88 × 5,871.32
  4. Step 4: Simplify right side
    10,347.68x = 83,841,745.04
  5. Step 5: Solve for x
    x = 83,841,745.04/10,347.68
  6. Step 6: Final answer
    x = 8,102.47

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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.