Home / 12,336.84-17,023.60-7,031.36

Finding the Fourth Proportional to 12,336.84, 17,023.60 and 7,031.36

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Solution

The fourth proportional to 12,336.84, 17,023.60 and 7,031.36 is: 9,702.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.84 : 17,023.60 = 7,031.36 : x
  2. Step 2: Convert to fraction form
    12,336.84/17,023.60 = 7,031.36/x
  3. Step 3: Cross multiply
    12,336.84x = 17,023.60 × 7,031.36
  4. Step 4: Simplify right side
    12,336.84x = 119,699,060.10
  5. Step 5: Solve for x
    x = 119,699,060.10/12,336.84
  6. Step 6: Final answer
    x = 9,702.57

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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.