Home / 9,123.89-12,590.97-4,932.14

Finding the Fourth Proportional to 9,123.89, 12,590.97 and 4,932.14

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Solution

The fourth proportional to 9,123.89, 12,590.97 and 4,932.14 is: 6,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123.89 : 12,590.97 = 4,932.14 : x
  2. Step 2: Convert to fraction form
    9,123.89/12,590.97 = 4,932.14/x
  3. Step 3: Cross multiply
    9,123.89x = 12,590.97 × 4,932.14
  4. Step 4: Simplify right side
    9,123.89x = 62,100,430.02
  5. Step 5: Solve for x
    x = 62,100,430.02/9,123.89
  6. Step 6: Final answer
    x = 6,806.35

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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.