Home / 10,316.08-14,222.08-7,085.80

Finding the Fourth Proportional to 10,316.08, 14,222.08 and 7,085.80

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Solution

The fourth proportional to 10,316.08, 14,222.08 and 7,085.80 is: 9,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.08 : 14,222.08 = 7,085.80 : x
  2. Step 2: Convert to fraction form
    10,316.08/14,222.08 = 7,085.80/x
  3. Step 3: Cross multiply
    10,316.08x = 14,222.08 × 7,085.80
  4. Step 4: Simplify right side
    10,316.08x = 100,774,761.10
  5. Step 5: Solve for x
    x = 100,774,761.10/10,316.08
  6. Step 6: Final answer
    x = 9,768.71

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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.