Home / 7,470.13-10,308.96-4,113.05

Finding the Fourth Proportional to 7,470.13, 10,308.96 and 4,113.05

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Solution

The fourth proportional to 7,470.13, 10,308.96 and 4,113.05 is: 5,676.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.13 : 10,308.96 = 4,113.05 : x
  2. Step 2: Convert to fraction form
    7,470.13/10,308.96 = 4,113.05/x
  3. Step 3: Cross multiply
    7,470.13x = 10,308.96 × 4,113.05
  4. Step 4: Simplify right side
    7,470.13x = 42,401,267.93
  5. Step 5: Solve for x
    x = 42,401,267.93/7,470.13
  6. Step 6: Final answer
    x = 5,676.11

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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.