Home / 7,618.84-10,515.12-4,634.10

Finding the Fourth Proportional to 7,618.84, 10,515.12 and 4,634.10

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Solution

The fourth proportional to 7,618.84, 10,515.12 and 4,634.10 is: 6,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.84 : 10,515.12 = 4,634.10 : x
  2. Step 2: Convert to fraction form
    7,618.84/10,515.12 = 4,634.10/x
  3. Step 3: Cross multiply
    7,618.84x = 10,515.12 × 4,634.10
  4. Step 4: Simplify right side
    7,618.84x = 48,728,096.71
  5. Step 5: Solve for x
    x = 48,728,096.71/7,618.84
  6. Step 6: Final answer
    x = 6,395.74

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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.