Home / 7,355.56-10,102.40-6,814.48

Finding the Fourth Proportional to 7,355.56, 10,102.40 and 6,814.48

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Solution

The fourth proportional to 7,355.56, 10,102.40 and 6,814.48 is: 9,359.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.56 : 10,102.40 = 6,814.48 : x
  2. Step 2: Convert to fraction form
    7,355.56/10,102.40 = 6,814.48/x
  3. Step 3: Cross multiply
    7,355.56x = 10,102.40 × 6,814.48
  4. Step 4: Simplify right side
    7,355.56x = 68,842,602.75
  5. Step 5: Solve for x
    x = 68,842,602.75/7,355.56
  6. Step 6: Final answer
    x = 9,359.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.