Home / 7,401.30-10,209.96-5,011.35

Finding the Fourth Proportional to 7,401.30, 10,209.96 and 5,011.35

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Solution

The fourth proportional to 7,401.30, 10,209.96 and 5,011.35 is: 6,913.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.30 : 10,209.96 = 5,011.35 : x
  2. Step 2: Convert to fraction form
    7,401.30/10,209.96 = 5,011.35/x
  3. Step 3: Cross multiply
    7,401.30x = 10,209.96 × 5,011.35
  4. Step 4: Simplify right side
    7,401.30x = 51,165,683.05
  5. Step 5: Solve for x
    x = 51,165,683.05/7,401.30
  6. Step 6: Final answer
    x = 6,913.07

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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.