Home / 12,635.06-17,436.51-6,970.05

Finding the Fourth Proportional to 12,635.06, 17,436.51 and 6,970.05

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Solution

The fourth proportional to 12,635.06, 17,436.51 and 6,970.05 is: 9,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.06 : 17,436.51 = 6,970.05 : x
  2. Step 2: Convert to fraction form
    12,635.06/17,436.51 = 6,970.05/x
  3. Step 3: Cross multiply
    12,635.06x = 17,436.51 × 6,970.05
  4. Step 4: Simplify right side
    12,635.06x = 121,533,346.53
  5. Step 5: Solve for x
    x = 121,533,346.53/12,635.06
  6. Step 6: Final answer
    x = 9,618.74

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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.