Home / 23,315.04-34,970.40-7,731.36

Finding the Fourth Proportional to 23,315.04, 34,970.40 and 7,731.36

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Solution

The fourth proportional to 23,315.04, 34,970.40 and 7,731.36 is: 11,596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,315.04 : 34,970.40 = 7,731.36 : x
  2. Step 2: Convert to fraction form
    23,315.04/34,970.40 = 7,731.36/x
  3. Step 3: Cross multiply
    23,315.04x = 34,970.40 × 7,731.36
  4. Step 4: Simplify right side
    23,315.04x = 270,368,751.74
  5. Step 5: Solve for x
    x = 270,368,751.74/23,315.04
  6. Step 6: Final answer
    x = 11,596.32

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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.