Home / 12,124.12-16,740.70-9,466.92

Finding the Fourth Proportional to 12,124.12, 16,740.70 and 9,466.92

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Solution

The fourth proportional to 12,124.12, 16,740.70 and 9,466.92 is: 13,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.12 : 16,740.70 = 9,466.92 : x
  2. Step 2: Convert to fraction form
    12,124.12/16,740.70 = 9,466.92/x
  3. Step 3: Cross multiply
    12,124.12x = 16,740.70 × 9,466.92
  4. Step 4: Simplify right side
    12,124.12x = 158,482,867.64
  5. Step 5: Solve for x
    x = 158,482,867.64/12,124.12
  6. Step 6: Final answer
    x = 13,071.70

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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.