Home / 10,790.67-14,888.88-6,313.57

Finding the Fourth Proportional to 10,790.67, 14,888.88 and 6,313.57

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Solution

The fourth proportional to 10,790.67, 14,888.88 and 6,313.57 is: 8,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.67 : 14,888.88 = 6,313.57 : x
  2. Step 2: Convert to fraction form
    10,790.67/14,888.88 = 6,313.57/x
  3. Step 3: Cross multiply
    10,790.67x = 14,888.88 × 6,313.57
  4. Step 4: Simplify right side
    10,790.67x = 94,001,986.10
  5. Step 5: Solve for x
    x = 94,001,986.10/10,790.67
  6. Step 6: Final answer
    x = 8,711.41

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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.