Home / 10,382.30-15,573.45-9,580.40

Finding the Fourth Proportional to 10,382.30, 15,573.45 and 9,580.40

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Solution

The fourth proportional to 10,382.30, 15,573.45 and 9,580.40 is: 14,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.30 : 15,573.45 = 9,580.40 : x
  2. Step 2: Convert to fraction form
    10,382.30/15,573.45 = 9,580.40/x
  3. Step 3: Cross multiply
    10,382.30x = 15,573.45 × 9,580.40
  4. Step 4: Simplify right side
    10,382.30x = 149,199,880.38
  5. Step 5: Solve for x
    x = 149,199,880.38/10,382.30
  6. Step 6: Final answer
    x = 14,370.60

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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.