Home / 7,088.45-9,795.56-5,316.98

Finding the Fourth Proportional to 7,088.45, 9,795.56 and 5,316.98

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Solution

The fourth proportional to 7,088.45, 9,795.56 and 5,316.98 is: 7,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.45 : 9,795.56 = 5,316.98 : x
  2. Step 2: Convert to fraction form
    7,088.45/9,795.56 = 5,316.98/x
  3. Step 3: Cross multiply
    7,088.45x = 9,795.56 × 5,316.98
  4. Step 4: Simplify right side
    7,088.45x = 52,082,770.02
  5. Step 5: Solve for x
    x = 52,082,770.02/7,088.45
  6. Step 6: Final answer
    x = 7,347.55

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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.