Home / 9,629.60-14,444.40-7,005.20

Finding the Fourth Proportional to 9,629.60, 14,444.40 and 7,005.20

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Solution

The fourth proportional to 9,629.60, 14,444.40 and 7,005.20 is: 10,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629.60 : 14,444.40 = 7,005.20 : x
  2. Step 2: Convert to fraction form
    9,629.60/14,444.40 = 7,005.20/x
  3. Step 3: Cross multiply
    9,629.60x = 14,444.40 × 7,005.20
  4. Step 4: Simplify right side
    9,629.60x = 101,185,910.88
  5. Step 5: Solve for x
    x = 101,185,910.88/9,629.60
  6. Step 6: Final answer
    x = 10,507.80

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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.