Home / 10,857.23-14,982.81-6,077.30

Finding the Fourth Proportional to 10,857.23, 14,982.81 and 6,077.30

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Solution

The fourth proportional to 10,857.23, 14,982.81 and 6,077.30 is: 8,386.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.23 : 14,982.81 = 6,077.30 : x
  2. Step 2: Convert to fraction form
    10,857.23/14,982.81 = 6,077.30/x
  3. Step 3: Cross multiply
    10,857.23x = 14,982.81 × 6,077.30
  4. Step 4: Simplify right side
    10,857.23x = 91,055,031.21
  5. Step 5: Solve for x
    x = 91,055,031.21/10,857.23
  6. Step 6: Final answer
    x = 8,386.58

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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.