Home / 10,589.12-14,606.32-6,817.20

Finding the Fourth Proportional to 10,589.12, 14,606.32 and 6,817.20

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Solution

The fourth proportional to 10,589.12, 14,606.32 and 6,817.20 is: 9,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,589.12 : 14,606.32 = 6,817.20 : x
  2. Step 2: Convert to fraction form
    10,589.12/14,606.32 = 6,817.20/x
  3. Step 3: Cross multiply
    10,589.12x = 14,606.32 × 6,817.20
  4. Step 4: Simplify right side
    10,589.12x = 99,574,204.70
  5. Step 5: Solve for x
    x = 99,574,204.70/10,589.12
  6. Step 6: Final answer
    x = 9,403.44

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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.