Home / 10,063.80-13,888.08-5,588.28

Finding the Fourth Proportional to 10,063.80, 13,888.08 and 5,588.28

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Solution

The fourth proportional to 10,063.80, 13,888.08 and 5,588.28 is: 7,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,063.80 : 13,888.08 = 5,588.28 : x
  2. Step 2: Convert to fraction form
    10,063.80/13,888.08 = 5,588.28/x
  3. Step 3: Cross multiply
    10,063.80x = 13,888.08 × 5,588.28
  4. Step 4: Simplify right side
    10,063.80x = 77,610,479.70
  5. Step 5: Solve for x
    x = 77,610,479.70/10,063.80
  6. Step 6: Final answer
    x = 7,711.85

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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.