Home / 8,349.48-11,547.36-7,299.72

Finding the Fourth Proportional to 8,349.48, 11,547.36 and 7,299.72

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Solution

The fourth proportional to 8,349.48, 11,547.36 and 7,299.72 is: 10,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.48 : 11,547.36 = 7,299.72 : x
  2. Step 2: Convert to fraction form
    8,349.48/11,547.36 = 7,299.72/x
  3. Step 3: Cross multiply
    8,349.48x = 11,547.36 × 7,299.72
  4. Step 4: Simplify right side
    8,349.48x = 84,292,494.74
  5. Step 5: Solve for x
    x = 84,292,494.74/8,349.48
  6. Step 6: Final answer
    x = 10,095.54

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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.