Home / 11,547.95-15,936.17-6,242.76

Finding the Fourth Proportional to 11,547.95, 15,936.17 and 6,242.76

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Solution

The fourth proportional to 11,547.95, 15,936.17 and 6,242.76 is: 8,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.95 : 15,936.17 = 6,242.76 : x
  2. Step 2: Convert to fraction form
    11,547.95/15,936.17 = 6,242.76/x
  3. Step 3: Cross multiply
    11,547.95x = 15,936.17 × 6,242.76
  4. Step 4: Simplify right side
    11,547.95x = 99,485,653.42
  5. Step 5: Solve for x
    x = 99,485,653.42/11,547.95
  6. Step 6: Final answer
    x = 8,615.01

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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.