Home / 43,547.12-65,320.68-10,715.12

Finding the Fourth Proportional to 43,547.12, 65,320.68 and 10,715.12

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Solution

The fourth proportional to 43,547.12, 65,320.68 and 10,715.12 is: 16,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,547.12 : 65,320.68 = 10,715.12 : x
  2. Step 2: Convert to fraction form
    43,547.12/65,320.68 = 10,715.12/x
  3. Step 3: Cross multiply
    43,547.12x = 65,320.68 × 10,715.12
  4. Step 4: Simplify right side
    43,547.12x = 699,918,924.68
  5. Step 5: Solve for x
    x = 699,918,924.68/43,547.12
  6. Step 6: Final answer
    x = 16,072.68

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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.