Home / 11,547.03-15,925.84-8,360.81

Finding the Fourth Proportional to 11,547.03, 15,925.84 and 8,360.81

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Solution

The fourth proportional to 11,547.03, 15,925.84 and 8,360.81 is: 11,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.03 : 15,925.84 = 8,360.81 : x
  2. Step 2: Convert to fraction form
    11,547.03/15,925.84 = 8,360.81/x
  3. Step 3: Cross multiply
    11,547.03x = 15,925.84 × 8,360.81
  4. Step 4: Simplify right side
    11,547.03x = 133,152,922.33
  5. Step 5: Solve for x
    x = 133,152,922.33/11,547.03
  6. Step 6: Final answer
    x = 11,531.36

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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.