Home / 7,020.17-9,685.49-4,503.64

Finding the Fourth Proportional to 7,020.17, 9,685.49 and 4,503.64

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Solution

The fourth proportional to 7,020.17, 9,685.49 and 4,503.64 is: 6,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.17 : 9,685.49 = 4,503.64 : x
  2. Step 2: Convert to fraction form
    7,020.17/9,685.49 = 4,503.64/x
  3. Step 3: Cross multiply
    7,020.17x = 9,685.49 × 4,503.64
  4. Step 4: Simplify right side
    7,020.17x = 43,619,924.32
  5. Step 5: Solve for x
    x = 43,619,924.32/7,020.17
  6. Step 6: Final answer
    x = 6,213.52

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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.