Home / 12,348.03-17,039.21-6,970.17

Finding the Fourth Proportional to 12,348.03, 17,039.21 and 6,970.17

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Solution

The fourth proportional to 12,348.03, 17,039.21 and 6,970.17 is: 9,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.03 : 17,039.21 = 6,970.17 : x
  2. Step 2: Convert to fraction form
    12,348.03/17,039.21 = 6,970.17/x
  3. Step 3: Cross multiply
    12,348.03x = 17,039.21 × 6,970.17
  4. Step 4: Simplify right side
    12,348.03x = 118,766,155.51
  5. Step 5: Solve for x
    x = 118,766,155.51/12,348.03
  6. Step 6: Final answer
    x = 9,618.23

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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.