Home / 7,008.07-9,670.76-3,864.01

Finding the Fourth Proportional to 7,008.07, 9,670.76 and 3,864.01

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Solution

The fourth proportional to 7,008.07, 9,670.76 and 3,864.01 is: 5,332.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.07 : 9,670.76 = 3,864.01 : x
  2. Step 2: Convert to fraction form
    7,008.07/9,670.76 = 3,864.01/x
  3. Step 3: Cross multiply
    7,008.07x = 9,670.76 × 3,864.01
  4. Step 4: Simplify right side
    7,008.07x = 37,367,894.03
  5. Step 5: Solve for x
    x = 37,367,894.03/7,008.07
  6. Step 6: Final answer
    x = 5,332.12

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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.