Home / 12,471.51-17,210.70-6,806.24

Finding the Fourth Proportional to 12,471.51, 17,210.70 and 6,806.24

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Solution

The fourth proportional to 12,471.51, 17,210.70 and 6,806.24 is: 9,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.51 : 17,210.70 = 6,806.24 : x
  2. Step 2: Convert to fraction form
    12,471.51/17,210.70 = 6,806.24/x
  3. Step 3: Cross multiply
    12,471.51x = 17,210.70 × 6,806.24
  4. Step 4: Simplify right side
    12,471.51x = 117,140,154.77
  5. Step 5: Solve for x
    x = 117,140,154.77/12,471.51
  6. Step 6: Final answer
    x = 9,392.62

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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.