Home / 6,605.12-9,105.54-5,030.48

Finding the Fourth Proportional to 6,605.12, 9,105.54 and 5,030.48

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Solution

The fourth proportional to 6,605.12, 9,105.54 and 5,030.48 is: 6,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.12 : 9,105.54 = 5,030.48 : x
  2. Step 2: Convert to fraction form
    6,605.12/9,105.54 = 5,030.48/x
  3. Step 3: Cross multiply
    6,605.12x = 9,105.54 × 5,030.48
  4. Step 4: Simplify right side
    6,605.12x = 45,805,236.86
  5. Step 5: Solve for x
    x = 45,805,236.86/6,605.12
  6. Step 6: Final answer
    x = 6,934.81

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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.