Home / 12,360.47-17,058.68-7,056.09

Finding the Fourth Proportional to 12,360.47, 17,058.68 and 7,056.09

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Solution

The fourth proportional to 12,360.47, 17,058.68 and 7,056.09 is: 9,738.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.47 : 17,058.68 = 7,056.09 : x
  2. Step 2: Convert to fraction form
    12,360.47/17,058.68 = 7,056.09/x
  3. Step 3: Cross multiply
    12,360.47x = 17,058.68 × 7,056.09
  4. Step 4: Simplify right side
    12,360.47x = 120,367,581.36
  5. Step 5: Solve for x
    x = 120,367,581.36/12,360.47
  6. Step 6: Final answer
    x = 9,738.11

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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.