Home / 12,828.47-17,706.24-7,525.00

Finding the Fourth Proportional to 12,828.47, 17,706.24 and 7,525.00

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Solution

The fourth proportional to 12,828.47, 17,706.24 and 7,525.00 is: 10,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828.47 : 17,706.24 = 7,525.00 : x
  2. Step 2: Convert to fraction form
    12,828.47/17,706.24 = 7,525.00/x
  3. Step 3: Cross multiply
    12,828.47x = 17,706.24 × 7,525.00
  4. Step 4: Simplify right side
    12,828.47x = 133,239,367.47
  5. Step 5: Solve for x
    x = 133,239,367.47/12,828.47
  6. Step 6: Final answer
    x = 10,386.22

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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.