Home / 9,585.78-14,378.75-3,345.77

Finding the Fourth Proportional to 9,585.78, 14,378.75 and 3,345.77

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Solution

The fourth proportional to 9,585.78, 14,378.75 and 3,345.77 is: 5,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,585.78 : 14,378.75 = 3,345.77 : x
  2. Step 2: Convert to fraction form
    9,585.78/14,378.75 = 3,345.77/x
  3. Step 3: Cross multiply
    9,585.78x = 14,378.75 × 3,345.77
  4. Step 4: Simplify right side
    9,585.78x = 48,107,901.76
  5. Step 5: Solve for x
    x = 48,107,901.76/9,585.78
  6. Step 6: Final answer
    x = 5,018.67

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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.