Home / 9,923.04-13,678.56-7,823.52

Finding the Fourth Proportional to 9,923.04, 13,678.56 and 7,823.52

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Solution

The fourth proportional to 9,923.04, 13,678.56 and 7,823.52 is: 10,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,923.04 : 13,678.56 = 7,823.52 : x
  2. Step 2: Convert to fraction form
    9,923.04/13,678.56 = 7,823.52/x
  3. Step 3: Cross multiply
    9,923.04x = 13,678.56 × 7,823.52
  4. Step 4: Simplify right side
    9,923.04x = 107,014,487.73
  5. Step 5: Solve for x
    x = 107,014,487.73/9,923.04
  6. Step 6: Final answer
    x = 10,784.45

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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.