Home / 8,176.33-11,280.26-4,988.51

Finding the Fourth Proportional to 8,176.33, 11,280.26 and 4,988.51

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Solution

The fourth proportional to 8,176.33, 11,280.26 and 4,988.51 is: 6,882.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.33 : 11,280.26 = 4,988.51 : x
  2. Step 2: Convert to fraction form
    8,176.33/11,280.26 = 4,988.51/x
  3. Step 3: Cross multiply
    8,176.33x = 11,280.26 × 4,988.51
  4. Step 4: Simplify right side
    8,176.33x = 56,271,689.81
  5. Step 5: Solve for x
    x = 56,271,689.81/8,176.33
  6. Step 6: Final answer
    x = 6,882.27

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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.