Home / 7,487.46-10,332.23-4,130.30

Finding the Fourth Proportional to 7,487.46, 10,332.23 and 4,130.30

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Solution

The fourth proportional to 7,487.46, 10,332.23 and 4,130.30 is: 5,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.46 : 10,332.23 = 4,130.30 : x
  2. Step 2: Convert to fraction form
    7,487.46/10,332.23 = 4,130.30/x
  3. Step 3: Cross multiply
    7,487.46x = 10,332.23 × 4,130.30
  4. Step 4: Simplify right side
    7,487.46x = 42,675,209.57
  5. Step 5: Solve for x
    x = 42,675,209.57/7,487.46
  6. Step 6: Final answer
    x = 5,699.56

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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.