Home / 27,434.84-41,152.26-7,715.40

Finding the Fourth Proportional to 27,434.84, 41,152.26 and 7,715.40

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Solution

The fourth proportional to 27,434.84, 41,152.26 and 7,715.40 is: 11,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,434.84 : 41,152.26 = 7,715.40 : x
  2. Step 2: Convert to fraction form
    27,434.84/41,152.26 = 7,715.40/x
  3. Step 3: Cross multiply
    27,434.84x = 41,152.26 × 7,715.40
  4. Step 4: Simplify right side
    27,434.84x = 317,506,146.80
  5. Step 5: Solve for x
    x = 317,506,146.80/27,434.84
  6. Step 6: Final answer
    x = 11,573.10

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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.