Home / 11,352.32-17,031.36-4,427.36

Finding the Fourth Proportional to 11,352.32, 17,031.36 and 4,427.36

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Solution

The fourth proportional to 11,352.32, 17,031.36 and 4,427.36 is: 6,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.32 : 17,031.36 = 4,427.36 : x
  2. Step 2: Convert to fraction form
    11,352.32/17,031.36 = 4,427.36/x
  3. Step 3: Cross multiply
    11,352.32x = 17,031.36 × 4,427.36
  4. Step 4: Simplify right side
    11,352.32x = 75,403,962.01
  5. Step 5: Solve for x
    x = 75,403,962.01/11,352.32
  6. Step 6: Final answer
    x = 6,642.16

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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.