Home / 12,510.64-17,266.80-7,204.48

Finding the Fourth Proportional to 12,510.64, 17,266.80 and 7,204.48

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Solution

The fourth proportional to 12,510.64, 17,266.80 and 7,204.48 is: 9,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.64 : 17,266.80 = 7,204.48 : x
  2. Step 2: Convert to fraction form
    12,510.64/17,266.80 = 7,204.48/x
  3. Step 3: Cross multiply
    12,510.64x = 17,266.80 × 7,204.48
  4. Step 4: Simplify right side
    12,510.64x = 124,398,315.26
  5. Step 5: Solve for x
    x = 124,398,315.26/12,510.64
  6. Step 6: Final answer
    x = 9,943.40

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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.