Home / 8,536.89-11,782.80-5,547.53

Finding the Fourth Proportional to 8,536.89, 11,782.80 and 5,547.53

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Solution

The fourth proportional to 8,536.89, 11,782.80 and 5,547.53 is: 7,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.89 : 11,782.80 = 5,547.53 : x
  2. Step 2: Convert to fraction form
    8,536.89/11,782.80 = 5,547.53/x
  3. Step 3: Cross multiply
    8,536.89x = 11,782.80 × 5,547.53
  4. Step 4: Simplify right side
    8,536.89x = 65,365,465.94
  5. Step 5: Solve for x
    x = 65,365,465.94/8,536.89
  6. Step 6: Final answer
    x = 7,656.82

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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.