Home / 12,558.51-17,333.26-7,525.71

Finding the Fourth Proportional to 12,558.51, 17,333.26 and 7,525.71

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Solution

The fourth proportional to 12,558.51, 17,333.26 and 7,525.71 is: 10,386.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.51 : 17,333.26 = 7,525.71 : x
  2. Step 2: Convert to fraction form
    12,558.51/17,333.26 = 7,525.71/x
  3. Step 3: Cross multiply
    12,558.51x = 17,333.26 × 7,525.71
  4. Step 4: Simplify right side
    12,558.51x = 130,445,069.30
  5. Step 5: Solve for x
    x = 130,445,069.30/12,558.51
  6. Step 6: Final answer
    x = 10,386.99

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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.