Home / 9,039.02-12,475.28-6,910.45

Finding the Fourth Proportional to 9,039.02, 12,475.28 and 6,910.45

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Solution

The fourth proportional to 9,039.02, 12,475.28 and 6,910.45 is: 9,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.02 : 12,475.28 = 6,910.45 : x
  2. Step 2: Convert to fraction form
    9,039.02/12,475.28 = 6,910.45/x
  3. Step 3: Cross multiply
    9,039.02x = 12,475.28 × 6,910.45
  4. Step 4: Simplify right side
    9,039.02x = 86,209,784.76
  5. Step 5: Solve for x
    x = 86,209,784.76/9,039.02
  6. Step 6: Final answer
    x = 9,537.52

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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.