Home / 10,281.63-15,425.91-4,730.80

Finding the Fourth Proportional to 10,281.63, 15,425.91 and 4,730.80

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Solution

The fourth proportional to 10,281.63, 15,425.91 and 4,730.80 is: 7,097.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.63 : 15,425.91 = 4,730.80 : x
  2. Step 2: Convert to fraction form
    10,281.63/15,425.91 = 4,730.80/x
  3. Step 3: Cross multiply
    10,281.63x = 15,425.91 × 4,730.80
  4. Step 4: Simplify right side
    10,281.63x = 72,976,895.03
  5. Step 5: Solve for x
    x = 72,976,895.03/10,281.63
  6. Step 6: Final answer
    x = 7,097.79

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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.