Home / 12,230.34-16,876.26-7,746.18

Finding the Fourth Proportional to 12,230.34, 16,876.26 and 7,746.18

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Solution

The fourth proportional to 12,230.34, 16,876.26 and 7,746.18 is: 10,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.34 : 16,876.26 = 7,746.18 : x
  2. Step 2: Convert to fraction form
    12,230.34/16,876.26 = 7,746.18/x
  3. Step 3: Cross multiply
    12,230.34x = 16,876.26 × 7,746.18
  4. Step 4: Simplify right side
    12,230.34x = 130,726,547.69
  5. Step 5: Solve for x
    x = 130,726,547.69/12,230.34
  6. Step 6: Final answer
    x = 10,688.71

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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.