Home / 7,259.07-10,020.57-6,145.78

Finding the Fourth Proportional to 7,259.07, 10,020.57 and 6,145.78

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Solution

The fourth proportional to 7,259.07, 10,020.57 and 6,145.78 is: 8,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.07 : 10,020.57 = 6,145.78 : x
  2. Step 2: Convert to fraction form
    7,259.07/10,020.57 = 6,145.78/x
  3. Step 3: Cross multiply
    7,259.07x = 10,020.57 × 6,145.78
  4. Step 4: Simplify right side
    7,259.07x = 61,584,178.28
  5. Step 5: Solve for x
    x = 61,584,178.28/7,259.07
  6. Step 6: Final answer
    x = 8,483.76

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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.