Home / 7,898.14-10,899.48-4,361.50

Finding the Fourth Proportional to 7,898.14, 10,899.48 and 4,361.50

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Solution

The fourth proportional to 7,898.14, 10,899.48 and 4,361.50 is: 6,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.14 : 10,899.48 = 4,361.50 : x
  2. Step 2: Convert to fraction form
    7,898.14/10,899.48 = 4,361.50/x
  3. Step 3: Cross multiply
    7,898.14x = 10,899.48 × 4,361.50
  4. Step 4: Simplify right side
    7,898.14x = 47,538,082.02
  5. Step 5: Solve for x
    x = 47,538,082.02/7,898.14
  6. Step 6: Final answer
    x = 6,018.90

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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.