Home / 12,272.16-16,927.84-9,435.04

Finding the Fourth Proportional to 12,272.16, 16,927.84 and 9,435.04

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Solution

The fourth proportional to 12,272.16, 16,927.84 and 9,435.04 is: 13,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.16 : 16,927.84 = 9,435.04 : x
  2. Step 2: Convert to fraction form
    12,272.16/16,927.84 = 9,435.04/x
  3. Step 3: Cross multiply
    12,272.16x = 16,927.84 × 9,435.04
  4. Step 4: Simplify right side
    12,272.16x = 159,714,847.51
  5. Step 5: Solve for x
    x = 159,714,847.51/12,272.16
  6. Step 6: Final answer
    x = 13,014.40

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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.