Home / 8,715.20-12,027.02-4,736.34

Finding the Fourth Proportional to 8,715.20, 12,027.02 and 4,736.34

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Solution

The fourth proportional to 8,715.20, 12,027.02 and 4,736.34 is: 6,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.20 : 12,027.02 = 4,736.34 : x
  2. Step 2: Convert to fraction form
    8,715.20/12,027.02 = 4,736.34/x
  3. Step 3: Cross multiply
    8,715.20x = 12,027.02 × 4,736.34
  4. Step 4: Simplify right side
    8,715.20x = 56,964,032.23
  5. Step 5: Solve for x
    x = 56,964,032.23/8,715.20
  6. Step 6: Final answer
    x = 6,536.17

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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.