Home / 10,857.23-14,983.64-6,077.08

Finding the Fourth Proportional to 10,857.23, 14,983.64 and 6,077.08

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Solution

The fourth proportional to 10,857.23, 14,983.64 and 6,077.08 is: 8,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.23 : 14,983.64 = 6,077.08 : x
  2. Step 2: Convert to fraction form
    10,857.23/14,983.64 = 6,077.08/x
  3. Step 3: Cross multiply
    10,857.23x = 14,983.64 × 6,077.08
  4. Step 4: Simplify right side
    10,857.23x = 91,056,790.10
  5. Step 5: Solve for x
    x = 91,056,790.10/10,857.23
  6. Step 6: Final answer
    x = 8,386.74

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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.