Home / 7,577.40-11,366.10-4,296.90

Finding the Fourth Proportional to 7,577.40, 11,366.10 and 4,296.90

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Solution

The fourth proportional to 7,577.40, 11,366.10 and 4,296.90 is: 6,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.40 : 11,366.10 = 4,296.90 : x
  2. Step 2: Convert to fraction form
    7,577.40/11,366.10 = 4,296.90/x
  3. Step 3: Cross multiply
    7,577.40x = 11,366.10 × 4,296.90
  4. Step 4: Simplify right side
    7,577.40x = 48,838,995.09
  5. Step 5: Solve for x
    x = 48,838,995.09/7,577.40
  6. Step 6: Final answer
    x = 6,445.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.