Home / 7,328.64-10,113.48-4,184.64

Finding the Fourth Proportional to 7,328.64, 10,113.48 and 4,184.64

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Solution

The fourth proportional to 7,328.64, 10,113.48 and 4,184.64 is: 5,774.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.64 : 10,113.48 = 4,184.64 : x
  2. Step 2: Convert to fraction form
    7,328.64/10,113.48 = 4,184.64/x
  3. Step 3: Cross multiply
    7,328.64x = 10,113.48 × 4,184.64
  4. Step 4: Simplify right side
    7,328.64x = 42,321,272.95
  5. Step 5: Solve for x
    x = 42,321,272.95/7,328.64
  6. Step 6: Final answer
    x = 5,774.78

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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.