Home / 10,865.10-14,990.33-6,084.32

Finding the Fourth Proportional to 10,865.10, 14,990.33 and 6,084.32

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Solution

The fourth proportional to 10,865.10, 14,990.33 and 6,084.32 is: 8,394.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.10 : 14,990.33 = 6,084.32 : x
  2. Step 2: Convert to fraction form
    10,865.10/14,990.33 = 6,084.32/x
  3. Step 3: Cross multiply
    10,865.10x = 14,990.33 × 6,084.32
  4. Step 4: Simplify right side
    10,865.10x = 91,205,934.20
  5. Step 5: Solve for x
    x = 91,205,934.20/10,865.10
  6. Step 6: Final answer
    x = 8,394.39

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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.