Home / 7,005.34-9,666.66-4,020.46

Finding the Fourth Proportional to 7,005.34, 9,666.66 and 4,020.46

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Solution

The fourth proportional to 7,005.34, 9,666.66 and 4,020.46 is: 5,547.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.34 : 9,666.66 = 4,020.46 : x
  2. Step 2: Convert to fraction form
    7,005.34/9,666.66 = 4,020.46/x
  3. Step 3: Cross multiply
    7,005.34x = 9,666.66 × 4,020.46
  4. Step 4: Simplify right side
    7,005.34x = 38,864,419.86
  5. Step 5: Solve for x
    x = 38,864,419.86/7,005.34
  6. Step 6: Final answer
    x = 5,547.83

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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.