Home / 11,547.08-15,924.34-7,290.75

Finding the Fourth Proportional to 11,547.08, 15,924.34 and 7,290.75

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Solution

The fourth proportional to 11,547.08, 15,924.34 and 7,290.75 is: 10,054.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.08 : 15,924.34 = 7,290.75 : x
  2. Step 2: Convert to fraction form
    11,547.08/15,924.34 = 7,290.75/x
  3. Step 3: Cross multiply
    11,547.08x = 15,924.34 × 7,290.75
  4. Step 4: Simplify right side
    11,547.08x = 116,100,381.86
  5. Step 5: Solve for x
    x = 116,100,381.86/11,547.08
  6. Step 6: Final answer
    x = 10,054.52

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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.