Home / 10,589.16-14,579.64-8,992.62

Finding the Fourth Proportional to 10,589.16, 14,579.64 and 8,992.62

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Solution

The fourth proportional to 10,589.16, 14,579.64 and 8,992.62 is: 12,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,589.16 : 14,579.64 = 8,992.62 : x
  2. Step 2: Convert to fraction form
    10,589.16/14,579.64 = 8,992.62/x
  3. Step 3: Cross multiply
    10,589.16x = 14,579.64 × 8,992.62
  4. Step 4: Simplify right side
    10,589.16x = 131,109,162.26
  5. Step 5: Solve for x
    x = 131,109,162.26/10,589.16
  6. Step 6: Final answer
    x = 12,381.45

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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.