Home / 7,898.18-10,899.28-4,361.32

Finding the Fourth Proportional to 7,898.18, 10,899.28 and 4,361.32

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Solution

The fourth proportional to 7,898.18, 10,899.28 and 4,361.32 is: 6,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.18 : 10,899.28 = 4,361.32 : x
  2. Step 2: Convert to fraction form
    7,898.18/10,899.28 = 4,361.32/x
  3. Step 3: Cross multiply
    7,898.18x = 10,899.28 × 4,361.32
  4. Step 4: Simplify right side
    7,898.18x = 47,535,247.85
  5. Step 5: Solve for x
    x = 47,535,247.85/7,898.18
  6. Step 6: Final answer
    x = 6,018.51

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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.