Home / 12,294.04-18,440.58-3,528.95

Finding the Fourth Proportional to 12,294.04, 18,440.58 and 3,528.95

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Solution

The fourth proportional to 12,294.04, 18,440.58 and 3,528.95 is: 5,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294.04 : 18,440.58 = 3,528.95 : x
  2. Step 2: Convert to fraction form
    12,294.04/18,440.58 = 3,528.95/x
  3. Step 3: Cross multiply
    12,294.04x = 18,440.58 × 3,528.95
  4. Step 4: Simplify right side
    12,294.04x = 65,075,875.97
  5. Step 5: Solve for x
    x = 65,075,875.97/12,294.04
  6. Step 6: Final answer
    x = 5,293.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.