Home / 10,631.04-14,674.13-7,272.57

Finding the Fourth Proportional to 10,631.04, 14,674.13 and 7,272.57

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Solution

The fourth proportional to 10,631.04, 14,674.13 and 7,272.57 is: 10,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.04 : 14,674.13 = 7,272.57 : x
  2. Step 2: Convert to fraction form
    10,631.04/14,674.13 = 7,272.57/x
  3. Step 3: Cross multiply
    10,631.04x = 14,674.13 × 7,272.57
  4. Step 4: Simplify right side
    10,631.04x = 106,718,637.61
  5. Step 5: Solve for x
    x = 106,718,637.61/10,631.04
  6. Step 6: Final answer
    x = 10,038.40

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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.