Home / 10,005.07-13,807.15-5,528.93

Finding the Fourth Proportional to 10,005.07, 13,807.15 and 5,528.93

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Solution

The fourth proportional to 10,005.07, 13,807.15 and 5,528.93 is: 7,630.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.07 : 13,807.15 = 5,528.93 : x
  2. Step 2: Convert to fraction form
    10,005.07/13,807.15 = 5,528.93/x
  3. Step 3: Cross multiply
    10,005.07x = 13,807.15 × 5,528.93
  4. Step 4: Simplify right side
    10,005.07x = 76,338,765.85
  5. Step 5: Solve for x
    x = 76,338,765.85/10,005.07
  6. Step 6: Final answer
    x = 7,630.01

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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.