Home / 10,857.29-14,983.77-6,077.67

Finding the Fourth Proportional to 10,857.29, 14,983.77 and 6,077.67

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Solution

The fourth proportional to 10,857.29, 14,983.77 and 6,077.67 is: 8,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.29 : 14,983.77 = 6,077.67 : x
  2. Step 2: Convert to fraction form
    10,857.29/14,983.77 = 6,077.67/x
  3. Step 3: Cross multiply
    10,857.29x = 14,983.77 × 6,077.67
  4. Step 4: Simplify right side
    10,857.29x = 91,066,409.42
  5. Step 5: Solve for x
    x = 91,066,409.42/10,857.29
  6. Step 6: Final answer
    x = 8,387.59

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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.