Home / 10,479.44-14,458.10-7,116.41

Finding the Fourth Proportional to 10,479.44, 14,458.10 and 7,116.41

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Solution

The fourth proportional to 10,479.44, 14,458.10 and 7,116.41 is: 9,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.44 : 14,458.10 = 7,116.41 : x
  2. Step 2: Convert to fraction form
    10,479.44/14,458.10 = 7,116.41/x
  3. Step 3: Cross multiply
    10,479.44x = 14,458.10 × 7,116.41
  4. Step 4: Simplify right side
    10,479.44x = 102,889,767.98
  5. Step 5: Solve for x
    x = 102,889,767.98/10,479.44
  6. Step 6: Final answer
    x = 9,818.25

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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.