Home / 11,547.04-15,926.16-8,194.72

Finding the Fourth Proportional to 11,547.04, 15,926.16 and 8,194.72

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Solution

The fourth proportional to 11,547.04, 15,926.16 and 8,194.72 is: 11,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.04 : 15,926.16 = 8,194.72 : x
  2. Step 2: Convert to fraction form
    11,547.04/15,926.16 = 8,194.72/x
  3. Step 3: Cross multiply
    11,547.04x = 15,926.16 × 8,194.72
  4. Step 4: Simplify right side
    11,547.04x = 130,510,421.88
  5. Step 5: Solve for x
    x = 130,510,421.88/11,547.04
  6. Step 6: Final answer
    x = 11,302.50

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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.