Home / 12,292.74-18,442.14-3,528.32

Finding the Fourth Proportional to 12,292.74, 18,442.14 and 3,528.32

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Solution

The fourth proportional to 12,292.74, 18,442.14 and 3,528.32 is: 5,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.74 : 18,442.14 = 3,528.32 : x
  2. Step 2: Convert to fraction form
    12,292.74/18,442.14 = 3,528.32/x
  3. Step 3: Cross multiply
    12,292.74x = 18,442.14 × 3,528.32
  4. Step 4: Simplify right side
    12,292.74x = 65,069,771.40
  5. Step 5: Solve for x
    x = 65,069,771.40/12,292.74
  6. Step 6: Final answer
    x = 5,293.35

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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.