Home / 10,653.51-14,701.81-6,179.86

Finding the Fourth Proportional to 10,653.51, 14,701.81 and 6,179.86

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Solution

The fourth proportional to 10,653.51, 14,701.81 and 6,179.86 is: 8,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653.51 : 14,701.81 = 6,179.86 : x
  2. Step 2: Convert to fraction form
    10,653.51/14,701.81 = 6,179.86/x
  3. Step 3: Cross multiply
    10,653.51x = 14,701.81 × 6,179.86
  4. Step 4: Simplify right side
    10,653.51x = 90,855,127.55
  5. Step 5: Solve for x
    x = 90,855,127.55/10,653.51
  6. Step 6: Final answer
    x = 8,528.19

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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.