Home / 11,547.90-17,307.81-5,299.23

Finding the Fourth Proportional to 11,547.90, 17,307.81 and 5,299.23

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Solution

The fourth proportional to 11,547.90, 17,307.81 and 5,299.23 is: 7,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.90 : 17,307.81 = 5,299.23 : x
  2. Step 2: Convert to fraction form
    11,547.90/17,307.81 = 5,299.23/x
  3. Step 3: Cross multiply
    11,547.90x = 17,307.81 × 5,299.23
  4. Step 4: Simplify right side
    11,547.90x = 91,718,065.99
  5. Step 5: Solve for x
    x = 91,718,065.99/11,547.90
  6. Step 6: Final answer
    x = 7,942.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.