Home / 10,004.72-14,995.10-4,660.70

Finding the Fourth Proportional to 10,004.72, 14,995.10 and 4,660.70

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Solution

The fourth proportional to 10,004.72, 14,995.10 and 4,660.70 is: 6,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.72 : 14,995.10 = 4,660.70 : x
  2. Step 2: Convert to fraction form
    10,004.72/14,995.10 = 4,660.70/x
  3. Step 3: Cross multiply
    10,004.72x = 14,995.10 × 4,660.70
  4. Step 4: Simplify right side
    10,004.72x = 69,887,662.57
  5. Step 5: Solve for x
    x = 69,887,662.57/10,004.72
  6. Step 6: Final answer
    x = 6,985.47

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1.5x scale

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.