Home / 10,983.48-15,157.10-5,947.58

Finding the Fourth Proportional to 10,983.48, 15,157.10 and 5,947.58

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Solution

The fourth proportional to 10,983.48, 15,157.10 and 5,947.58 is: 8,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.48 : 15,157.10 = 5,947.58 : x
  2. Step 2: Convert to fraction form
    10,983.48/15,157.10 = 5,947.58/x
  3. Step 3: Cross multiply
    10,983.48x = 15,157.10 × 5,947.58
  4. Step 4: Simplify right side
    10,983.48x = 90,148,064.82
  5. Step 5: Solve for x
    x = 90,148,064.82/10,983.48
  6. Step 6: Final answer
    x = 8,207.60

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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.