Home / 9,312.91-12,853.65-5,336.67

Finding the Fourth Proportional to 9,312.91, 12,853.65 and 5,336.67

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Solution

The fourth proportional to 9,312.91, 12,853.65 and 5,336.67 is: 7,365.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.91 : 12,853.65 = 5,336.67 : x
  2. Step 2: Convert to fraction form
    9,312.91/12,853.65 = 5,336.67/x
  3. Step 3: Cross multiply
    9,312.91x = 12,853.65 × 5,336.67
  4. Step 4: Simplify right side
    9,312.91x = 68,595,688.35
  5. Step 5: Solve for x
    x = 68,595,688.35/9,312.91
  6. Step 6: Final answer
    x = 7,365.66

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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.