Home / 7,570.02-10,456.64-6,315.23

Finding the Fourth Proportional to 7,570.02, 10,456.64 and 6,315.23

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Solution

The fourth proportional to 7,570.02, 10,456.64 and 6,315.23 is: 8,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.02 : 10,456.64 = 6,315.23 : x
  2. Step 2: Convert to fraction form
    7,570.02/10,456.64 = 6,315.23/x
  3. Step 3: Cross multiply
    7,570.02x = 10,456.64 × 6,315.23
  4. Step 4: Simplify right side
    7,570.02x = 66,036,002.77
  5. Step 5: Solve for x
    x = 66,036,002.77/7,570.02
  6. Step 6: Final answer
    x = 8,723.36

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Double scale
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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.