Home / 10,621.26-14,657.66-6,146.42

Finding the Fourth Proportional to 10,621.26, 14,657.66 and 6,146.42

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Solution

The fourth proportional to 10,621.26, 14,657.66 and 6,146.42 is: 8,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.26 : 14,657.66 = 6,146.42 : x
  2. Step 2: Convert to fraction form
    10,621.26/14,657.66 = 6,146.42/x
  3. Step 3: Cross multiply
    10,621.26x = 14,657.66 × 6,146.42
  4. Step 4: Simplify right side
    10,621.26x = 90,092,030.56
  5. Step 5: Solve for x
    x = 90,092,030.56/10,621.26
  6. Step 6: Final answer
    x = 8,482.24

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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.