Home / 10,864.59-14,993.36-6,148.87

Finding the Fourth Proportional to 10,864.59, 14,993.36 and 6,148.87

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Solution

The fourth proportional to 10,864.59, 14,993.36 and 6,148.87 is: 8,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864.59 : 14,993.36 = 6,148.87 : x
  2. Step 2: Convert to fraction form
    10,864.59/14,993.36 = 6,148.87/x
  3. Step 3: Cross multiply
    10,864.59x = 14,993.36 × 6,148.87
  4. Step 4: Simplify right side
    10,864.59x = 92,192,221.50
  5. Step 5: Solve for x
    x = 92,192,221.50/10,864.59
  6. Step 6: Final answer
    x = 8,485.57

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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.