Home / 13,070.04-18,036.46-7,101.62

Finding the Fourth Proportional to 13,070.04, 18,036.46 and 7,101.62

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Solution

The fourth proportional to 13,070.04, 18,036.46 and 7,101.62 is: 9,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.04 : 18,036.46 = 7,101.62 : x
  2. Step 2: Convert to fraction form
    13,070.04/18,036.46 = 7,101.62/x
  3. Step 3: Cross multiply
    13,070.04x = 18,036.46 × 7,101.62
  4. Step 4: Simplify right side
    13,070.04x = 128,088,085.07
  5. Step 5: Solve for x
    x = 128,088,085.07/13,070.04
  6. Step 6: Final answer
    x = 9,800.13

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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.