Home / 11,970.12-16,510.32-10,373.88

Finding the Fourth Proportional to 11,970.12, 16,510.32 and 10,373.88

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Solution

The fourth proportional to 11,970.12, 16,510.32 and 10,373.88 is: 14,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.12 : 16,510.32 = 10,373.88 : x
  2. Step 2: Convert to fraction form
    11,970.12/16,510.32 = 10,373.88/x
  3. Step 3: Cross multiply
    11,970.12x = 16,510.32 × 10,373.88
  4. Step 4: Simplify right side
    11,970.12x = 171,276,078.44
  5. Step 5: Solve for x
    x = 171,276,078.44/11,970.12
  6. Step 6: Final answer
    x = 14,308.64

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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.