Home / 10,609.10-14,627.04-6,628.76

Finding the Fourth Proportional to 10,609.10, 14,627.04 and 6,628.76

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Solution

The fourth proportional to 10,609.10, 14,627.04 and 6,628.76 is: 9,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609.10 : 14,627.04 = 6,628.76 : x
  2. Step 2: Convert to fraction form
    10,609.10/14,627.04 = 6,628.76/x
  3. Step 3: Cross multiply
    10,609.10x = 14,627.04 × 6,628.76
  4. Step 4: Simplify right side
    10,609.10x = 96,959,137.67
  5. Step 5: Solve for x
    x = 96,959,137.67/10,609.10
  6. Step 6: Final answer
    x = 9,139.24

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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.