Home / 10,815.32-14,927.46-6,833.90

Finding the Fourth Proportional to 10,815.32, 14,927.46 and 6,833.90

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Solution

The fourth proportional to 10,815.32, 14,927.46 and 6,833.90 is: 9,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.32 : 14,927.46 = 6,833.90 : x
  2. Step 2: Convert to fraction form
    10,815.32/14,927.46 = 6,833.90/x
  3. Step 3: Cross multiply
    10,815.32x = 14,927.46 × 6,833.90
  4. Step 4: Simplify right side
    10,815.32x = 102,012,768.89
  5. Step 5: Solve for x
    x = 102,012,768.89/10,815.32
  6. Step 6: Final answer
    x = 9,432.25

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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.