Home / 12,348.04-17,039.70-7,043.08

Finding the Fourth Proportional to 12,348.04, 17,039.70 and 7,043.08

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Solution

The fourth proportional to 12,348.04, 17,039.70 and 7,043.08 is: 9,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.04 : 17,039.70 = 7,043.08 : x
  2. Step 2: Convert to fraction form
    12,348.04/17,039.70 = 7,043.08/x
  3. Step 3: Cross multiply
    12,348.04x = 17,039.70 × 7,043.08
  4. Step 4: Simplify right side
    12,348.04x = 120,011,970.28
  5. Step 5: Solve for x
    x = 120,011,970.28/12,348.04
  6. Step 6: Final answer
    x = 9,719.11

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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.