Home / 10,355.11-14,281.61-6,369.07

Finding the Fourth Proportional to 10,355.11, 14,281.61 and 6,369.07

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Solution

The fourth proportional to 10,355.11, 14,281.61 and 6,369.07 is: 8,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.11 : 14,281.61 = 6,369.07 : x
  2. Step 2: Convert to fraction form
    10,355.11/14,281.61 = 6,369.07/x
  3. Step 3: Cross multiply
    10,355.11x = 14,281.61 × 6,369.07
  4. Step 4: Simplify right side
    10,355.11x = 90,960,541.96
  5. Step 5: Solve for x
    x = 90,960,541.96/10,355.11
  6. Step 6: Final answer
    x = 8,784.12

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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.