Home / 8,968.40-12,373.04-5,609.93

Finding the Fourth Proportional to 8,968.40, 12,373.04 and 5,609.93

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Solution

The fourth proportional to 8,968.40, 12,373.04 and 5,609.93 is: 7,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.40 : 12,373.04 = 5,609.93 : x
  2. Step 2: Convert to fraction form
    8,968.40/12,373.04 = 5,609.93/x
  3. Step 3: Cross multiply
    8,968.40x = 12,373.04 × 5,609.93
  4. Step 4: Simplify right side
    8,968.40x = 69,411,933.24
  5. Step 5: Solve for x
    x = 69,411,933.24/8,968.40
  6. Step 6: Final answer
    x = 7,739.62

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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.