Home / 6,615.11-9,925.10-4,768.31

Finding the Fourth Proportional to 6,615.11, 9,925.10 and 4,768.31

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Solution

The fourth proportional to 6,615.11, 9,925.10 and 4,768.31 is: 7,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.11 : 9,925.10 = 4,768.31 : x
  2. Step 2: Convert to fraction form
    6,615.11/9,925.10 = 4,768.31/x
  3. Step 3: Cross multiply
    6,615.11x = 9,925.10 × 4,768.31
  4. Step 4: Simplify right side
    6,615.11x = 47,325,929.74
  5. Step 5: Solve for x
    x = 47,325,929.74/6,615.11
  6. Step 6: Final answer
    x = 7,154.22

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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.