Home / 12,555.12-17,328.42-7,252.32

Finding the Fourth Proportional to 12,555.12, 17,328.42 and 7,252.32

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Solution

The fourth proportional to 12,555.12, 17,328.42 and 7,252.32 is: 10,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555.12 : 17,328.42 = 7,252.32 : x
  2. Step 2: Convert to fraction form
    12,555.12/17,328.42 = 7,252.32/x
  3. Step 3: Cross multiply
    12,555.12x = 17,328.42 × 7,252.32
  4. Step 4: Simplify right side
    12,555.12x = 125,671,246.93
  5. Step 5: Solve for x
    x = 125,671,246.93/12,555.12
  6. Step 6: Final answer
    x = 10,009.56

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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.