Home / 10,515.32-14,504.62-6,263.49

Finding the Fourth Proportional to 10,515.32, 14,504.62 and 6,263.49

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Solution

The fourth proportional to 10,515.32, 14,504.62 and 6,263.49 is: 8,639.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.32 : 14,504.62 = 6,263.49 : x
  2. Step 2: Convert to fraction form
    10,515.32/14,504.62 = 6,263.49/x
  3. Step 3: Cross multiply
    10,515.32x = 14,504.62 × 6,263.49
  4. Step 4: Simplify right side
    10,515.32x = 90,849,470.42
  5. Step 5: Solve for x
    x = 90,849,470.42/10,515.32
  6. Step 6: Final answer
    x = 8,639.73

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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.