Home / 6,547.64-9,036.06-3,859.65

Finding the Fourth Proportional to 6,547.64, 9,036.06 and 3,859.65

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Solution

The fourth proportional to 6,547.64, 9,036.06 and 3,859.65 is: 5,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,547.64 : 9,036.06 = 3,859.65 : x
  2. Step 2: Convert to fraction form
    6,547.64/9,036.06 = 3,859.65/x
  3. Step 3: Cross multiply
    6,547.64x = 9,036.06 × 3,859.65
  4. Step 4: Simplify right side
    6,547.64x = 34,876,014.51
  5. Step 5: Solve for x
    x = 34,876,014.51/6,547.64
  6. Step 6: Final answer
    x = 5,326.51

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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.