Home / 10,707.12-14,731.92-10,458.54

Finding the Fourth Proportional to 10,707.12, 14,731.92 and 10,458.54

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Solution

The fourth proportional to 10,707.12, 14,731.92 and 10,458.54 is: 14,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.12 : 14,731.92 = 10,458.54 : x
  2. Step 2: Convert to fraction form
    10,707.12/14,731.92 = 10,458.54/x
  3. Step 3: Cross multiply
    10,707.12x = 14,731.92 × 10,458.54
  4. Step 4: Simplify right side
    10,707.12x = 154,074,374.60
  5. Step 5: Solve for x
    x = 154,074,374.60/10,707.12
  6. Step 6: Final answer
    x = 14,389.90

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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.