Home / 10,445.47-15,644.07-6,276.29

Finding the Fourth Proportional to 10,445.47, 15,644.07 and 6,276.29

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Solution

The fourth proportional to 10,445.47, 15,644.07 and 6,276.29 is: 9,399.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.47 : 15,644.07 = 6,276.29 : x
  2. Step 2: Convert to fraction form
    10,445.47/15,644.07 = 6,276.29/x
  3. Step 3: Cross multiply
    10,445.47x = 15,644.07 × 6,276.29
  4. Step 4: Simplify right side
    10,445.47x = 98,186,685.88
  5. Step 5: Solve for x
    x = 98,186,685.88/10,445.47
  6. Step 6: Final answer
    x = 9,399.93

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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.