Home / 28,526.08-42,792.32-7,749.76

Finding the Fourth Proportional to 28,526.08, 42,792.32 and 7,749.76

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Solution

The fourth proportional to 28,526.08, 42,792.32 and 7,749.76 is: 11,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.08 : 42,792.32 = 7,749.76 : x
  2. Step 2: Convert to fraction form
    28,526.08/42,792.32 = 7,749.76/x
  3. Step 3: Cross multiply
    28,526.08x = 42,792.32 × 7,749.76
  4. Step 4: Simplify right side
    28,526.08x = 331,630,209.84
  5. Step 5: Solve for x
    x = 331,630,209.84/28,526.08
  6. Step 6: Final answer
    x = 11,625.51

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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.