Home / 7,313.20-10,969.80-6,948.70

Finding the Fourth Proportional to 7,313.20, 10,969.80 and 6,948.70

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Solution

The fourth proportional to 7,313.20, 10,969.80 and 6,948.70 is: 10,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.20 : 10,969.80 = 6,948.70 : x
  2. Step 2: Convert to fraction form
    7,313.20/10,969.80 = 6,948.70/x
  3. Step 3: Cross multiply
    7,313.20x = 10,969.80 × 6,948.70
  4. Step 4: Simplify right side
    7,313.20x = 76,225,849.26
  5. Step 5: Solve for x
    x = 76,225,849.26/7,313.20
  6. Step 6: Final answer
    x = 10,423.05

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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.