Home / 10,460.07-15,696.18-3,445.20

Finding the Fourth Proportional to 10,460.07, 15,696.18 and 3,445.20

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Solution

The fourth proportional to 10,460.07, 15,696.18 and 3,445.20 is: 5,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,460.07 : 15,696.18 = 3,445.20 : x
  2. Step 2: Convert to fraction form
    10,460.07/15,696.18 = 3,445.20/x
  3. Step 3: Cross multiply
    10,460.07x = 15,696.18 × 3,445.20
  4. Step 4: Simplify right side
    10,460.07x = 54,076,479.34
  5. Step 5: Solve for x
    x = 54,076,479.34/10,460.07
  6. Step 6: Final answer
    x = 5,169.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.