Home / 10,423.75-15,639.63-6,266.63

Finding the Fourth Proportional to 10,423.75, 15,639.63 and 6,266.63

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Solution

The fourth proportional to 10,423.75, 15,639.63 and 6,266.63 is: 9,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.75 : 15,639.63 = 6,266.63 : x
  2. Step 2: Convert to fraction form
    10,423.75/15,639.63 = 6,266.63/x
  3. Step 3: Cross multiply
    10,423.75x = 15,639.63 × 6,266.63
  4. Step 4: Simplify right side
    10,423.75x = 98,007,696.35
  5. Step 5: Solve for x
    x = 98,007,696.35/10,423.75
  6. Step 6: Final answer
    x = 9,402.35

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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.