Home / 7,709.23-10,638.70-4,352.01

Finding the Fourth Proportional to 7,709.23, 10,638.70 and 4,352.01

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Solution

The fourth proportional to 7,709.23, 10,638.70 and 4,352.01 is: 6,005.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.23 : 10,638.70 = 4,352.01 : x
  2. Step 2: Convert to fraction form
    7,709.23/10,638.70 = 4,352.01/x
  3. Step 3: Cross multiply
    7,709.23x = 10,638.70 × 4,352.01
  4. Step 4: Simplify right side
    7,709.23x = 46,299,728.79
  5. Step 5: Solve for x
    x = 46,299,728.79/7,709.23
  6. Step 6: Final answer
    x = 6,005.75

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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.