Home / 6,918.32-9,547.28-3,774.52

Finding the Fourth Proportional to 6,918.32, 9,547.28 and 3,774.52

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Solution

The fourth proportional to 6,918.32, 9,547.28 and 3,774.52 is: 5,208.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.32 : 9,547.28 = 3,774.52 : x
  2. Step 2: Convert to fraction form
    6,918.32/9,547.28 = 3,774.52/x
  3. Step 3: Cross multiply
    6,918.32x = 9,547.28 × 3,774.52
  4. Step 4: Simplify right side
    6,918.32x = 36,036,399.31
  5. Step 5: Solve for x
    x = 36,036,399.31/6,918.32
  6. Step 6: Final answer
    x = 5,208.84

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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.