Home / 12,500.04-17,242.08-9,509.32

Finding the Fourth Proportional to 12,500.04, 17,242.08 and 9,509.32

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Solution

The fourth proportional to 12,500.04, 17,242.08 and 9,509.32 is: 13,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.04 : 17,242.08 = 9,509.32 : x
  2. Step 2: Convert to fraction form
    12,500.04/17,242.08 = 9,509.32/x
  3. Step 3: Cross multiply
    12,500.04x = 17,242.08 × 9,509.32
  4. Step 4: Simplify right side
    12,500.04x = 163,960,456.19
  5. Step 5: Solve for x
    x = 163,960,456.19/12,500.04
  6. Step 6: Final answer
    x = 13,116.79

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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.