Home / 10,472.04-15,707.61-5,205.06

Finding the Fourth Proportional to 10,472.04, 15,707.61 and 5,205.06

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Solution

The fourth proportional to 10,472.04, 15,707.61 and 5,205.06 is: 7,807.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472.04 : 15,707.61 = 5,205.06 : x
  2. Step 2: Convert to fraction form
    10,472.04/15,707.61 = 5,205.06/x
  3. Step 3: Cross multiply
    10,472.04x = 15,707.61 × 5,205.06
  4. Step 4: Simplify right side
    10,472.04x = 81,759,052.51
  5. Step 5: Solve for x
    x = 81,759,052.51/10,472.04
  6. Step 6: Final answer
    x = 7,807.37

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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.