Home / 10,983.58-15,156.38-6,506.52

Finding the Fourth Proportional to 10,983.58, 15,156.38 and 6,506.52

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Solution

The fourth proportional to 10,983.58, 15,156.38 and 6,506.52 is: 8,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.58 : 15,156.38 = 6,506.52 : x
  2. Step 2: Convert to fraction form
    10,983.58/15,156.38 = 6,506.52/x
  3. Step 3: Cross multiply
    10,983.58x = 15,156.38 × 6,506.52
  4. Step 4: Simplify right side
    10,983.58x = 98,615,289.60
  5. Step 5: Solve for x
    x = 98,615,289.60/10,983.58
  6. Step 6: Final answer
    x = 8,978.43

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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.