Home / 7,222.16-9,966.45-4,035.51

Finding the Fourth Proportional to 7,222.16, 9,966.45 and 4,035.51

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Solution

The fourth proportional to 7,222.16, 9,966.45 and 4,035.51 is: 5,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.16 : 9,966.45 = 4,035.51 : x
  2. Step 2: Convert to fraction form
    7,222.16/9,966.45 = 4,035.51/x
  3. Step 3: Cross multiply
    7,222.16x = 9,966.45 × 4,035.51
  4. Step 4: Simplify right side
    7,222.16x = 40,219,688.46
  5. Step 5: Solve for x
    x = 40,219,688.46/7,222.16
  6. Step 6: Final answer
    x = 5,568.93

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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.