Home / 7,050.60-9,710.15-6,897.51

Finding the Fourth Proportional to 7,050.60, 9,710.15 and 6,897.51

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Solution

The fourth proportional to 7,050.60, 9,710.15 and 6,897.51 is: 9,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.60 : 9,710.15 = 6,897.51 : x
  2. Step 2: Convert to fraction form
    7,050.60/9,710.15 = 6,897.51/x
  3. Step 3: Cross multiply
    7,050.60x = 9,710.15 × 6,897.51
  4. Step 4: Simplify right side
    7,050.60x = 66,975,822.24
  5. Step 5: Solve for x
    x = 66,975,822.24/7,050.60
  6. Step 6: Final answer
    x = 9,499.31

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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.