Home / 10,555.04-15,839.77-5,628.14

Finding the Fourth Proportional to 10,555.04, 15,839.77 and 5,628.14

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Solution

The fourth proportional to 10,555.04, 15,839.77 and 5,628.14 is: 8,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.04 : 15,839.77 = 5,628.14 : x
  2. Step 2: Convert to fraction form
    10,555.04/15,839.77 = 5,628.14/x
  3. Step 3: Cross multiply
    10,555.04x = 15,839.77 × 5,628.14
  4. Step 4: Simplify right side
    10,555.04x = 89,148,443.13
  5. Step 5: Solve for x
    x = 89,148,443.13/10,555.04
  6. Step 6: Final answer
    x = 8,446.05

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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.