Home / 6,531.18-9,013.09-3,547.07

Finding the Fourth Proportional to 6,531.18, 9,013.09 and 3,547.07

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Solution

The fourth proportional to 6,531.18, 9,013.09 and 3,547.07 is: 4,894.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.18 : 9,013.09 = 3,547.07 : x
  2. Step 2: Convert to fraction form
    6,531.18/9,013.09 = 3,547.07/x
  3. Step 3: Cross multiply
    6,531.18x = 9,013.09 × 3,547.07
  4. Step 4: Simplify right side
    6,531.18x = 31,970,047.66
  5. Step 5: Solve for x
    x = 31,970,047.66/6,531.18
  6. Step 6: Final answer
    x = 4,894.99

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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.