Home / 12,422.08-17,130.69-9,584.95

Finding the Fourth Proportional to 12,422.08, 17,130.69 and 9,584.95

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Solution

The fourth proportional to 12,422.08, 17,130.69 and 9,584.95 is: 13,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.08 : 17,130.69 = 9,584.95 : x
  2. Step 2: Convert to fraction form
    12,422.08/17,130.69 = 9,584.95/x
  3. Step 3: Cross multiply
    12,422.08x = 17,130.69 × 9,584.95
  4. Step 4: Simplify right side
    12,422.08x = 164,196,807.12
  5. Step 5: Solve for x
    x = 164,196,807.12/12,422.08
  6. Step 6: Final answer
    x = 13,218.14

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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.