Home / 12,208.19-18,306.95-4,707.18

Finding the Fourth Proportional to 12,208.19, 18,306.95 and 4,707.18

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Solution

The fourth proportional to 12,208.19, 18,306.95 and 4,707.18 is: 7,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.19 : 18,306.95 = 4,707.18 : x
  2. Step 2: Convert to fraction form
    12,208.19/18,306.95 = 4,707.18/x
  3. Step 3: Cross multiply
    12,208.19x = 18,306.95 × 4,707.18
  4. Step 4: Simplify right side
    12,208.19x = 86,174,085.37
  5. Step 5: Solve for x
    x = 86,174,085.37/12,208.19
  6. Step 6: Final answer
    x = 7,058.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.