Home / 12,258.64-16,897.80-10,265.68

Finding the Fourth Proportional to 12,258.64, 16,897.80 and 10,265.68

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Solution

The fourth proportional to 12,258.64, 16,897.80 and 10,265.68 is: 14,150.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.64 : 16,897.80 = 10,265.68 : x
  2. Step 2: Convert to fraction form
    12,258.64/16,897.80 = 10,265.68/x
  3. Step 3: Cross multiply
    12,258.64x = 16,897.80 × 10,265.68
  4. Step 4: Simplify right side
    12,258.64x = 173,467,407.50
  5. Step 5: Solve for x
    x = 173,467,407.50/12,258.64
  6. Step 6: Final answer
    x = 14,150.62

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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.