Home / 11,349.69-15,661.10-6,312.92

Finding the Fourth Proportional to 11,349.69, 15,661.10 and 6,312.92

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Solution

The fourth proportional to 11,349.69, 15,661.10 and 6,312.92 is: 8,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.69 : 15,661.10 = 6,312.92 : x
  2. Step 2: Convert to fraction form
    11,349.69/15,661.10 = 6,312.92/x
  3. Step 3: Cross multiply
    11,349.69x = 15,661.10 × 6,312.92
  4. Step 4: Simplify right side
    11,349.69x = 98,867,161.54
  5. Step 5: Solve for x
    x = 98,867,161.54/11,349.69
  6. Step 6: Final answer
    x = 8,711.00

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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.