Home / 8,566.40-11,821.44-4,840.32

Finding the Fourth Proportional to 8,566.40, 11,821.44 and 4,840.32

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Solution

The fourth proportional to 8,566.40, 11,821.44 and 4,840.32 is: 6,679.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.40 : 11,821.44 = 4,840.32 : x
  2. Step 2: Convert to fraction form
    8,566.40/11,821.44 = 4,840.32/x
  3. Step 3: Cross multiply
    8,566.40x = 11,821.44 × 4,840.32
  4. Step 4: Simplify right side
    8,566.40x = 57,219,552.46
  5. Step 5: Solve for x
    x = 57,219,552.46/8,566.40
  6. Step 6: Final answer
    x = 6,679.53

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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.