Home / 9,629.30-13,287.80-5,595.77

Finding the Fourth Proportional to 9,629.30, 13,287.80 and 5,595.77

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Solution

The fourth proportional to 9,629.30, 13,287.80 and 5,595.77 is: 7,721.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629.30 : 13,287.80 = 5,595.77 : x
  2. Step 2: Convert to fraction form
    9,629.30/13,287.80 = 5,595.77/x
  3. Step 3: Cross multiply
    9,629.30x = 13,287.80 × 5,595.77
  4. Step 4: Simplify right side
    9,629.30x = 74,355,472.61
  5. Step 5: Solve for x
    x = 74,355,472.61/9,629.30
  6. Step 6: Final answer
    x = 7,721.79

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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.