Home / 7,113.50-9,806.43-5,598.44

Finding the Fourth Proportional to 7,113.50, 9,806.43 and 5,598.44

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Solution

The fourth proportional to 7,113.50, 9,806.43 and 5,598.44 is: 7,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.50 : 9,806.43 = 5,598.44 : x
  2. Step 2: Convert to fraction form
    7,113.50/9,806.43 = 5,598.44/x
  3. Step 3: Cross multiply
    7,113.50x = 9,806.43 × 5,598.44
  4. Step 4: Simplify right side
    7,113.50x = 54,900,699.45
  5. Step 5: Solve for x
    x = 54,900,699.45/7,113.50
  6. Step 6: Final answer
    x = 7,717.82

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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.