Home / 12,635.16-17,436.59-6,970.11

Finding the Fourth Proportional to 12,635.16, 17,436.59 and 6,970.11

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Solution

The fourth proportional to 12,635.16, 17,436.59 and 6,970.11 is: 9,618.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.16 : 17,436.59 = 6,970.11 : x
  2. Step 2: Convert to fraction form
    12,635.16/17,436.59 = 6,970.11/x
  3. Step 3: Cross multiply
    12,635.16x = 17,436.59 × 6,970.11
  4. Step 4: Simplify right side
    12,635.16x = 121,534,950.32
  5. Step 5: Solve for x
    x = 121,534,950.32/12,635.16
  6. Step 6: Final answer
    x = 9,618.79

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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.