Home / 7,385.10-11,061.45-6,564.30

Finding the Fourth Proportional to 7,385.10, 11,061.45 and 6,564.30

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Solution

The fourth proportional to 7,385.10, 11,061.45 and 6,564.30 is: 9,832.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.10 : 11,061.45 = 6,564.30 : x
  2. Step 2: Convert to fraction form
    7,385.10/11,061.45 = 6,564.30/x
  3. Step 3: Cross multiply
    7,385.10x = 11,061.45 × 6,564.30
  4. Step 4: Simplify right side
    7,385.10x = 72,610,676.24
  5. Step 5: Solve for x
    x = 72,610,676.24/7,385.10
  6. Step 6: Final answer
    x = 9,832.05

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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.