Home / 7,089.28-10,563.56-6,313.84

Finding the Fourth Proportional to 7,089.28, 10,563.56 and 6,313.84

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Solution

The fourth proportional to 7,089.28, 10,563.56 and 6,313.84 is: 9,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.28 : 10,563.56 = 6,313.84 : x
  2. Step 2: Convert to fraction form
    7,089.28/10,563.56 = 6,313.84/x
  3. Step 3: Cross multiply
    7,089.28x = 10,563.56 × 6,313.84
  4. Step 4: Simplify right side
    7,089.28x = 66,696,627.67
  5. Step 5: Solve for x
    x = 66,696,627.67/7,089.28
  6. Step 6: Final answer
    x = 9,408.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.