Home / 9,056.36-12,500-5,521.52

Finding the Fourth Proportional to 9,056.36, 12,500 and 5,521.52

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Solution

The fourth proportional to 9,056.36, 12,500 and 5,521.52 is: 7,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,056.36 : 12,500 = 5,521.52 : x
  2. Step 2: Convert to fraction form
    9,056.36/12,500 = 5,521.52/x
  3. Step 3: Cross multiply
    9,056.36x = 12,500 × 5,521.52
  4. Step 4: Simplify right side
    9,056.36x = 69,019,000
  5. Step 5: Solve for x
    x = 69,019,000/9,056.36
  6. Step 6: Final answer
    x = 7,621.05

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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.