Home / 7,299.42-10,954.53-5,429.58

Finding the Fourth Proportional to 7,299.42, 10,954.53 and 5,429.58

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Solution

The fourth proportional to 7,299.42, 10,954.53 and 5,429.58 is: 8,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.42 : 10,954.53 = 5,429.58 : x
  2. Step 2: Convert to fraction form
    7,299.42/10,954.53 = 5,429.58/x
  3. Step 3: Cross multiply
    7,299.42x = 10,954.53 × 5,429.58
  4. Step 4: Simplify right side
    7,299.42x = 59,478,497.00
  5. Step 5: Solve for x
    x = 59,478,497.00/7,299.42
  6. Step 6: Final answer
    x = 8,148.39

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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.