Home / 13,088.32-18,060.24-8,848.60

Finding the Fourth Proportional to 13,088.32, 18,060.24 and 8,848.60

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Solution

The fourth proportional to 13,088.32, 18,060.24 and 8,848.60 is: 12,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.32 : 18,060.24 = 8,848.60 : x
  2. Step 2: Convert to fraction form
    13,088.32/18,060.24 = 8,848.60/x
  3. Step 3: Cross multiply
    13,088.32x = 18,060.24 × 8,848.60
  4. Step 4: Simplify right side
    13,088.32x = 159,807,839.66
  5. Step 5: Solve for x
    x = 159,807,839.66/13,088.32
  6. Step 6: Final answer
    x = 12,209.96

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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.