Home / 8,411.16-11,605.34-5,539.60

Finding the Fourth Proportional to 8,411.16, 11,605.34 and 5,539.60

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Solution

The fourth proportional to 8,411.16, 11,605.34 and 5,539.60 is: 7,643.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.16 : 11,605.34 = 5,539.60 : x
  2. Step 2: Convert to fraction form
    8,411.16/11,605.34 = 5,539.60/x
  3. Step 3: Cross multiply
    8,411.16x = 11,605.34 × 5,539.60
  4. Step 4: Simplify right side
    8,411.16x = 64,288,941.46
  5. Step 5: Solve for x
    x = 64,288,941.46/8,411.16
  6. Step 6: Final answer
    x = 7,643.29

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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.