Home / 9,429.76-14,178.48-5,055.52

Finding the Fourth Proportional to 9,429.76, 14,178.48 and 5,055.52

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Solution

The fourth proportional to 9,429.76, 14,178.48 and 5,055.52 is: 7,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.76 : 14,178.48 = 5,055.52 : x
  2. Step 2: Convert to fraction form
    9,429.76/14,178.48 = 5,055.52/x
  3. Step 3: Cross multiply
    9,429.76x = 14,178.48 × 5,055.52
  4. Step 4: Simplify right side
    9,429.76x = 71,679,589.21
  5. Step 5: Solve for x
    x = 71,679,589.21/9,429.76
  6. Step 6: Final answer
    x = 7,601.42

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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.