Home / 8,666.18-12,975.80-4,497.45

Finding the Fourth Proportional to 8,666.18, 12,975.80 and 4,497.45

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Solution

The fourth proportional to 8,666.18, 12,975.80 and 4,497.45 is: 6,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.18 : 12,975.80 = 4,497.45 : x
  2. Step 2: Convert to fraction form
    8,666.18/12,975.80 = 4,497.45/x
  3. Step 3: Cross multiply
    8,666.18x = 12,975.80 × 4,497.45
  4. Step 4: Simplify right side
    8,666.18x = 58,357,989.22
  5. Step 5: Solve for x
    x = 58,357,989.22/8,666.18
  6. Step 6: Final answer
    x = 6,734.00

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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.