Home / 12,013.76-16,579.80-6,708.46

Finding the Fourth Proportional to 12,013.76, 16,579.80 and 6,708.46

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Solution

The fourth proportional to 12,013.76, 16,579.80 and 6,708.46 is: 9,258.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013.76 : 16,579.80 = 6,708.46 : x
  2. Step 2: Convert to fraction form
    12,013.76/16,579.80 = 6,708.46/x
  3. Step 3: Cross multiply
    12,013.76x = 16,579.80 × 6,708.46
  4. Step 4: Simplify right side
    12,013.76x = 111,224,925.11
  5. Step 5: Solve for x
    x = 111,224,925.11/12,013.76
  6. Step 6: Final answer
    x = 9,258.13

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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.