Home / 10,487.12-14,472.48-5,707.33

Finding the Fourth Proportional to 10,487.12, 14,472.48 and 5,707.33

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Solution

The fourth proportional to 10,487.12, 14,472.48 and 5,707.33 is: 7,876.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.12 : 14,472.48 = 5,707.33 : x
  2. Step 2: Convert to fraction form
    10,487.12/14,472.48 = 5,707.33/x
  3. Step 3: Cross multiply
    10,487.12x = 14,472.48 × 5,707.33
  4. Step 4: Simplify right side
    10,487.12x = 82,599,219.28
  5. Step 5: Solve for x
    x = 82,599,219.28/10,487.12
  6. Step 6: Final answer
    x = 7,876.25

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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.