Home / 7,678.11-10,595.85-4,535.85

Finding the Fourth Proportional to 7,678.11, 10,595.85 and 4,535.85

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Solution

The fourth proportional to 7,678.11, 10,595.85 and 4,535.85 is: 6,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.11 : 10,595.85 = 4,535.85 : x
  2. Step 2: Convert to fraction form
    7,678.11/10,595.85 = 4,535.85/x
  3. Step 3: Cross multiply
    7,678.11x = 10,595.85 × 4,535.85
  4. Step 4: Simplify right side
    7,678.11x = 48,061,186.22
  5. Step 5: Solve for x
    x = 48,061,186.22/7,678.11
  6. Step 6: Final answer
    x = 6,259.51

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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.