Home / 7,345.46-10,106.70-6,347.54

Finding the Fourth Proportional to 7,345.46, 10,106.70 and 6,347.54

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Solution

The fourth proportional to 7,345.46, 10,106.70 and 6,347.54 is: 8,733.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.46 : 10,106.70 = 6,347.54 : x
  2. Step 2: Convert to fraction form
    7,345.46/10,106.70 = 6,347.54/x
  3. Step 3: Cross multiply
    7,345.46x = 10,106.70 × 6,347.54
  4. Step 4: Simplify right side
    7,345.46x = 64,152,682.52
  5. Step 5: Solve for x
    x = 64,152,682.52/7,345.46
  6. Step 6: Final answer
    x = 8,733.65

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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.