Home / 7,507.62-10,359.09-4,711.86

Finding the Fourth Proportional to 7,507.62, 10,359.09 and 4,711.86

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Solution

The fourth proportional to 7,507.62, 10,359.09 and 4,711.86 is: 6,501.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.62 : 10,359.09 = 4,711.86 : x
  2. Step 2: Convert to fraction form
    7,507.62/10,359.09 = 4,711.86/x
  3. Step 3: Cross multiply
    7,507.62x = 10,359.09 × 4,711.86
  4. Step 4: Simplify right side
    7,507.62x = 48,810,581.81
  5. Step 5: Solve for x
    x = 48,810,581.81/7,507.62
  6. Step 6: Final answer
    x = 6,501.47

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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.