Home / 10,332.85-15,490.57-4,485.06

Finding the Fourth Proportional to 10,332.85, 15,490.57 and 4,485.06

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Solution

The fourth proportional to 10,332.85, 15,490.57 and 4,485.06 is: 6,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332.85 : 15,490.57 = 4,485.06 : x
  2. Step 2: Convert to fraction form
    10,332.85/15,490.57 = 4,485.06/x
  3. Step 3: Cross multiply
    10,332.85x = 15,490.57 × 4,485.06
  4. Step 4: Simplify right side
    10,332.85x = 69,476,036.01
  5. Step 5: Solve for x
    x = 69,476,036.01/10,332.85
  6. Step 6: Final answer
    x = 6,723.80

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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.