Home / 10,962.40-16,443.60-7,025.80

Finding the Fourth Proportional to 10,962.40, 16,443.60 and 7,025.80

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Solution

The fourth proportional to 10,962.40, 16,443.60 and 7,025.80 is: 10,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.40 : 16,443.60 = 7,025.80 : x
  2. Step 2: Convert to fraction form
    10,962.40/16,443.60 = 7,025.80/x
  3. Step 3: Cross multiply
    10,962.40x = 16,443.60 × 7,025.80
  4. Step 4: Simplify right side
    10,962.40x = 115,529,444.88
  5. Step 5: Solve for x
    x = 115,529,444.88/10,962.40
  6. Step 6: Final answer
    x = 10,538.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.