Home / 7,025.20-9,693.48-4,507.76

Finding the Fourth Proportional to 7,025.20, 9,693.48 and 4,507.76

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Solution

The fourth proportional to 7,025.20, 9,693.48 and 4,507.76 is: 6,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.20 : 9,693.48 = 4,507.76 : x
  2. Step 2: Convert to fraction form
    7,025.20/9,693.48 = 4,507.76/x
  3. Step 3: Cross multiply
    7,025.20x = 9,693.48 × 4,507.76
  4. Step 4: Simplify right side
    7,025.20x = 43,695,881.40
  5. Step 5: Solve for x
    x = 43,695,881.40/7,025.20
  6. Step 6: Final answer
    x = 6,219.88

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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.