Home / 10,263.63-14,163.80-5,547.91

Finding the Fourth Proportional to 10,263.63, 14,163.80 and 5,547.91

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Solution

The fourth proportional to 10,263.63, 14,163.80 and 5,547.91 is: 7,656.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.63 : 14,163.80 = 5,547.91 : x
  2. Step 2: Convert to fraction form
    10,263.63/14,163.80 = 5,547.91/x
  3. Step 3: Cross multiply
    10,263.63x = 14,163.80 × 5,547.91
  4. Step 4: Simplify right side
    10,263.63x = 78,579,498.43
  5. Step 5: Solve for x
    x = 78,579,498.43/10,263.63
  6. Step 6: Final answer
    x = 7,656.11

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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.