Home / 12,325.52-17,008.80-6,736.40

Finding the Fourth Proportional to 12,325.52, 17,008.80 and 6,736.40

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Solution

The fourth proportional to 12,325.52, 17,008.80 and 6,736.40 is: 9,296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.52 : 17,008.80 = 6,736.40 : x
  2. Step 2: Convert to fraction form
    12,325.52/17,008.80 = 6,736.40/x
  3. Step 3: Cross multiply
    12,325.52x = 17,008.80 × 6,736.40
  4. Step 4: Simplify right side
    12,325.52x = 114,578,080.32
  5. Step 5: Solve for x
    x = 114,578,080.32/12,325.52
  6. Step 6: Final answer
    x = 9,296.00

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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.