Home / 10,332.98-15,490.76-4,485.18

Finding the Fourth Proportional to 10,332.98, 15,490.76 and 4,485.18

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Solution

The fourth proportional to 10,332.98, 15,490.76 and 4,485.18 is: 6,723.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332.98 : 15,490.76 = 4,485.18 : x
  2. Step 2: Convert to fraction form
    10,332.98/15,490.76 = 4,485.18/x
  3. Step 3: Cross multiply
    10,332.98x = 15,490.76 × 4,485.18
  4. Step 4: Simplify right side
    10,332.98x = 69,478,824.51
  5. Step 5: Solve for x
    x = 69,478,824.51/10,332.98
  6. Step 6: Final answer
    x = 6,723.99

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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.