Home / 10,918.07-16,363.40-4,670.74

Finding the Fourth Proportional to 10,918.07, 16,363.40 and 4,670.74

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Solution

The fourth proportional to 10,918.07, 16,363.40 and 4,670.74 is: 7,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.07 : 16,363.40 = 4,670.74 : x
  2. Step 2: Convert to fraction form
    10,918.07/16,363.40 = 4,670.74/x
  3. Step 3: Cross multiply
    10,918.07x = 16,363.40 × 4,670.74
  4. Step 4: Simplify right side
    10,918.07x = 76,429,186.92
  5. Step 5: Solve for x
    x = 76,429,186.92/10,918.07
  6. Step 6: Final answer
    x = 7,000.25

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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.