Home / 7,788.14-10,747.29-4,430.48

Finding the Fourth Proportional to 7,788.14, 10,747.29 and 4,430.48

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Solution

The fourth proportional to 7,788.14, 10,747.29 and 4,430.48 is: 6,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.14 : 10,747.29 = 4,430.48 : x
  2. Step 2: Convert to fraction form
    7,788.14/10,747.29 = 4,430.48/x
  3. Step 3: Cross multiply
    7,788.14x = 10,747.29 × 4,430.48
  4. Step 4: Simplify right side
    7,788.14x = 47,615,653.40
  5. Step 5: Solve for x
    x = 47,615,653.40/7,788.14
  6. Step 6: Final answer
    x = 6,113.87

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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.