Home / 10,313.60-15,470.36-7,018.52

Finding the Fourth Proportional to 10,313.60, 15,470.36 and 7,018.52

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Solution

The fourth proportional to 10,313.60, 15,470.36 and 7,018.52 is: 10,527.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,313.60 : 15,470.36 = 7,018.52 : x
  2. Step 2: Convert to fraction form
    10,313.60/15,470.36 = 7,018.52/x
  3. Step 3: Cross multiply
    10,313.60x = 15,470.36 × 7,018.52
  4. Step 4: Simplify right side
    10,313.60x = 108,578,944.94
  5. Step 5: Solve for x
    x = 108,578,944.94/10,313.60
  6. Step 6: Final answer
    x = 10,527.75

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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.