Home / 9,099.99-12,560.40-5,322.96

Finding the Fourth Proportional to 9,099.99, 12,560.40 and 5,322.96

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Solution

The fourth proportional to 9,099.99, 12,560.40 and 5,322.96 is: 7,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.99 : 12,560.40 = 5,322.96 : x
  2. Step 2: Convert to fraction form
    9,099.99/12,560.40 = 5,322.96/x
  3. Step 3: Cross multiply
    9,099.99x = 12,560.40 × 5,322.96
  4. Step 4: Simplify right side
    9,099.99x = 66,858,506.78
  5. Step 5: Solve for x
    x = 66,858,506.78/9,099.99
  6. Step 6: Final answer
    x = 7,347.10

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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.