Home / 10,503.24-15,708.36-9,341.42

Finding the Fourth Proportional to 10,503.24, 15,708.36 and 9,341.42

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Solution

The fourth proportional to 10,503.24, 15,708.36 and 9,341.42 is: 13,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.24 : 15,708.36 = 9,341.42 : x
  2. Step 2: Convert to fraction form
    10,503.24/15,708.36 = 9,341.42/x
  3. Step 3: Cross multiply
    10,503.24x = 15,708.36 × 9,341.42
  4. Step 4: Simplify right side
    10,503.24x = 146,738,388.27
  5. Step 5: Solve for x
    x = 146,738,388.27/10,503.24
  6. Step 6: Final answer
    x = 13,970.77

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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.