Home / 10,676.51-15,983.63-6,220.57

Finding the Fourth Proportional to 10,676.51, 15,983.63 and 6,220.57

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Solution

The fourth proportional to 10,676.51, 15,983.63 and 6,220.57 is: 9,312.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,676.51 : 15,983.63 = 6,220.57 : x
  2. Step 2: Convert to fraction form
    10,676.51/15,983.63 = 6,220.57/x
  3. Step 3: Cross multiply
    10,676.51x = 15,983.63 × 6,220.57
  4. Step 4: Simplify right side
    10,676.51x = 99,427,316.46
  5. Step 5: Solve for x
    x = 99,427,316.46/10,676.51
  6. Step 6: Final answer
    x = 9,312.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.