Home / 11,312.64-15,611.19-6,532.20

Finding the Fourth Proportional to 11,312.64, 15,611.19 and 6,532.20

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Solution

The fourth proportional to 11,312.64, 15,611.19 and 6,532.20 is: 9,014.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.64 : 15,611.19 = 6,532.20 : x
  2. Step 2: Convert to fraction form
    11,312.64/15,611.19 = 6,532.20/x
  3. Step 3: Cross multiply
    11,312.64x = 15,611.19 × 6,532.20
  4. Step 4: Simplify right side
    11,312.64x = 101,975,415.32
  5. Step 5: Solve for x
    x = 101,975,415.32/11,312.64
  6. Step 6: Final answer
    x = 9,014.29

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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.