Home / 12,369.32-17,070.36-7,336.52

Finding the Fourth Proportional to 12,369.32, 17,070.36 and 7,336.52

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Solution

The fourth proportional to 12,369.32, 17,070.36 and 7,336.52 is: 10,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.32 : 17,070.36 = 7,336.52 : x
  2. Step 2: Convert to fraction form
    12,369.32/17,070.36 = 7,336.52/x
  3. Step 3: Cross multiply
    12,369.32x = 17,070.36 × 7,336.52
  4. Step 4: Simplify right side
    12,369.32x = 125,237,037.55
  5. Step 5: Solve for x
    x = 125,237,037.55/12,369.32
  6. Step 6: Final answer
    x = 10,124.81

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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.