Home / 10,341.27-15,509.54-2,945.57

Finding the Fourth Proportional to 10,341.27, 15,509.54 and 2,945.57

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Solution

The fourth proportional to 10,341.27, 15,509.54 and 2,945.57 is: 4,417.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.27 : 15,509.54 = 2,945.57 : x
  2. Step 2: Convert to fraction form
    10,341.27/15,509.54 = 2,945.57/x
  3. Step 3: Cross multiply
    10,341.27x = 15,509.54 × 2,945.57
  4. Step 4: Simplify right side
    10,341.27x = 45,684,365.55
  5. Step 5: Solve for x
    x = 45,684,365.55/10,341.27
  6. Step 6: Final answer
    x = 4,417.67

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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.