Home / 10,589.79-15,888.14-7,625.81

Finding the Fourth Proportional to 10,589.79, 15,888.14 and 7,625.81

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Solution

The fourth proportional to 10,589.79, 15,888.14 and 7,625.81 is: 11,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,589.79 : 15,888.14 = 7,625.81 : x
  2. Step 2: Convert to fraction form
    10,589.79/15,888.14 = 7,625.81/x
  3. Step 3: Cross multiply
    10,589.79x = 15,888.14 × 7,625.81
  4. Step 4: Simplify right side
    10,589.79x = 121,159,876.52
  5. Step 5: Solve for x
    x = 121,159,876.52/10,589.79
  6. Step 6: Final answer
    x = 11,441.20

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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.