Home / 10,416.47-14,359.76-7,427.10

Finding the Fourth Proportional to 10,416.47, 14,359.76 and 7,427.10

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Solution

The fourth proportional to 10,416.47, 14,359.76 and 7,427.10 is: 10,238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416.47 : 14,359.76 = 7,427.10 : x
  2. Step 2: Convert to fraction form
    10,416.47/14,359.76 = 7,427.10/x
  3. Step 3: Cross multiply
    10,416.47x = 14,359.76 × 7,427.10
  4. Step 4: Simplify right side
    10,416.47x = 106,651,336.36
  5. Step 5: Solve for x
    x = 106,651,336.36/10,416.47
  6. Step 6: Final answer
    x = 10,238.73

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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.