Home / 12,360.09-17,058.12-7,055.70

Finding the Fourth Proportional to 12,360.09, 17,058.12 and 7,055.70

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Solution

The fourth proportional to 12,360.09, 17,058.12 and 7,055.70 is: 9,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.09 : 17,058.12 = 7,055.70 : x
  2. Step 2: Convert to fraction form
    12,360.09/17,058.12 = 7,055.70/x
  3. Step 3: Cross multiply
    12,360.09x = 17,058.12 × 7,055.70
  4. Step 4: Simplify right side
    12,360.09x = 120,356,977.28
  5. Step 5: Solve for x
    x = 120,356,977.28/12,360.09
  6. Step 6: Final answer
    x = 9,737.55

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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.