Home / 7,345.28-11,004.54-6,557.96

Finding the Fourth Proportional to 7,345.28, 11,004.54 and 6,557.96

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Solution

The fourth proportional to 7,345.28, 11,004.54 and 6,557.96 is: 9,824.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.28 : 11,004.54 = 6,557.96 : x
  2. Step 2: Convert to fraction form
    7,345.28/11,004.54 = 6,557.96/x
  3. Step 3: Cross multiply
    7,345.28x = 11,004.54 × 6,557.96
  4. Step 4: Simplify right side
    7,345.28x = 72,167,278.12
  5. Step 5: Solve for x
    x = 72,167,278.12/7,345.28
  6. Step 6: Final answer
    x = 9,824.99

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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.