Home / 10,263.43-14,163.49-5,547.70

Finding the Fourth Proportional to 10,263.43, 14,163.49 and 5,547.70

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Solution

The fourth proportional to 10,263.43, 14,163.49 and 5,547.70 is: 7,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.43 : 14,163.49 = 5,547.70 : x
  2. Step 2: Convert to fraction form
    10,263.43/14,163.49 = 5,547.70/x
  3. Step 3: Cross multiply
    10,263.43x = 14,163.49 × 5,547.70
  4. Step 4: Simplify right side
    10,263.43x = 78,574,793.47
  5. Step 5: Solve for x
    x = 78,574,793.47/10,263.43
  6. Step 6: Final answer
    x = 7,655.80

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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.