Home / 10,445.92-14,415.30-5,730.22

Finding the Fourth Proportional to 10,445.92, 14,415.30 and 5,730.22

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Solution

The fourth proportional to 10,445.92, 14,415.30 and 5,730.22 is: 7,907.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.92 : 14,415.30 = 5,730.22 : x
  2. Step 2: Convert to fraction form
    10,445.92/14,415.30 = 5,730.22/x
  3. Step 3: Cross multiply
    10,445.92x = 14,415.30 × 5,730.22
  4. Step 4: Simplify right side
    10,445.92x = 82,602,840.37
  5. Step 5: Solve for x
    x = 82,602,840.37/10,445.92
  6. Step 6: Final answer
    x = 7,907.67

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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.